• MOO
n. 1. E19 – a cow (UK juvenile sl.)
n. 2. 1945 – money (sl.)
n. 3. 1967 – an unpleasant or despicable female (sl.)
n. 4. 1990s – an obese person (US students’ sl.)
• MOOCAH
n. 1937 – marijuana (US drug culture sl.)
• MOOCH
n. 1. 1894 – departure or expulsion (Amer. sl.)
n. 2. Bk1905 – bad temper (Eng. dial.)
n. 3. 1914 – a borrower or cadger (sl.)
n. 4. 1914 – a beggar or shiftless character; hence, a term of disparagement (Amer. sl.)
n. 5. 1927 – a sucker, a chump, an easy mark; one easily cheated, deceived, or imposed upon (Amer. sl.)
n. 6. 1965 – a kiss (Amer. dial.)
n. 7. M20 – narcotics in general (US drug culture sl.)
vb. 1. 1790 – to play truant, esp. to play truant in order to gather blackberries (Eng. dial.)
vb. 2. 1851 – to go, to amble, to depart, to clear out; also, to sneak (Amer. sl.)
vb. 3. 1857 – to borrow or cadge money; to obtain, as by begging, to beg; also, to steal (Amer. sl.)
vb. 4. Bk1905 – to sulk; to be in a bad temper (Eng. dial.)
vb. 5. 1927 – to move slowly or apathetically; to idle about, to loaf (Amer. dial.)
vb. 6. 1965 – to kiss (Amer. dial.)
• MOOCHER
n. 1. 1790 – a truant from school, esp. one who plays truant to gather blackberries (Eng. dial.)
n. 2. 1851 – an unskilled beggar or petty thief; hence, a sponger, a borrower, a cadger, a beggar, a hawker (Eng. dial. & sl.)
n. 3. Bk1913-17 – a hanger-on at a saloon (Amer. dial.)
n. 4. 1910s – a politician who takes graft or who ‘bolts’ (opposes his or her party’s position) (Amer. sl.)
n. 5. 1933 – an idle person; a loafer (Amer. dial.)
• MOOCHING
adj. M19 sl. – idling, loafing
• MOOCH OFF
vb. 1920s – to laze around (US sl.)
• MOOCH OVER
vb. 1967 – to move over, to make room (Amer. dial.)
• MOOCH SPOT
n. 1965 – a hickey (Amer. dial.)
• MOOCH THE MAIN STEM
vb. L19 – to be along a town’s main street (sl.)
• MOOCHY
adj. 1967 – making a show of affection in a public place, kissing (Amer. dial.)
• MOO-COW
n. 1. E19 – a cow (UK juvenile sl.)
n. 2. 1990s – an obese person (US students’ sl.)
• MOODGE
vb. 1890 – to move, to stir (Sc.)
• MOODIES
n. 1960s – depression (sl.)
• MOODLE
vb. 1864 – to fold up untidily (Eng. dial. obs.)
• MOODY
adj. Bk1905 – gallant, courageous (Sc.)
n. 1. 1917 – insincere or exaggerated talk intended to flatter or deceive; humbug or flattery (sl.)
n. 2. 1969 – a bad temper or fit of sulking (Brit. sl.)
• MOODY-COLORED
adj. 1950 – of a dull or sad colour (Amer. sl.)
• MOODY-HEARTED
adj. 1867 – melancholy; disposed to tears; dispirited (Eng. dial.)
• MOOE • MOOEY
n. 1. 1859 – the face (sl.)
n. 2. 1859 – the mouth (sl.)
• MOOEY-MOOEY
n. 1942 – love; lovemaking; courting (US sl.)
• MOOFKY-POOFKY
n. 1994 – foolishness or mischief, esp. of a romantic or sexual nature; sexual activity; hanky panky (Amer. jocular usage)
• MOOFTY-POOFTY
n. 1996 – foolishness or mischief, esp. of a romantic or sexual nature; sexual activity; hanky panky (Amer. jocular usage)
• MOOGARD
n. Bk1905 – a worthless person or thing (Sc.)
• MOOJOO
n. 1938 – a charm, amulet, or spell; magic (Amer. dial., orig. chiefly African-American usage)
• MOO JUICE
n. Bk1942 – milk or cream (Amer. sl.)
• MOOK
n. 1930 – an ineffectual, foolish, or contemptible person (US sl.)
• MOOKY
adj. 1967 – foolish, contemptible, ineffectual (US sl.)
• MOOL
n. 1822 – a bluff headland; the extreme point of a promontory (Sc.)
vb. 1. Bk1905 – to crease clothes; to discompose the dress (Eng. dial.)
vb. 2. Bk1905 – to have carnal intercourse with (Sc.)
• MOOLA • MOOLAH
n. 1939 – money (sl., orig. US)
• MOOLET
vb. 1887 – to whine; to sob; to murmur (Sc.)
• MOOLEY
n. 2000s – a mulatto (African-American sl.)
• MOOLICKS
n. 1886 – crumbs (Sc.)
• MOOLIE
adj. Bk1905 – soft, flabby (Sc.)
n. 1. 1960s – a country person (US sl.)
n. 2. 1960s – a Black person (US sl.)
• MOOLSON • MOULSON
n. Bk1905 – a donkey (Eng. dial.)
• MOOLY
n. Bk1905 – a mole (Eng. dial.)
• MOO-MOO
n. 1. E19 – a cow (UK juvenile sl.)
n. 2. 1990s – an obese person (US students’ sl.)
n. 3. 20C – a fool, a simpleton (W. Indies sl.)
n. 4. 20C – an extremely shy person, too nervous to speak out (W. Indies sl.)
• MOON
n. 1. 1756 – the buttocks (sl.)
n. 2. 1830 – a month’s imprisonment (sl.)
n. 3. 1928 – illicitly distilled liquor; whisky; moonshine (US sl.)
n. 4. 1969 – one’s navel (Amer. dial.)
n. 5. M20 – mescaline (US drug culture sl.)
vb. 1. 1848 – to behave or move about listlessly and unproductively (sl.)
vb. 2. 1960s – to drop one’s trousers and expose one’s naked buttocks (Amer. sl.)
• MOONACK
n. 1876 – a woodchuck, a marmot, a groundhog (Amer. dial.)
• MOON AND STARS
n. 1966 – an outhouse (Amer. dial.)
• MOON AWAY
vb. L19 – to lounge, to loiter, to waste time (sl.)
• MOON-BALL
n. 1941 – the moon (Amer. dial.)
• MOON-BELIEF
n. 1785 – a fickle or unstable belief (Eng. dial.)
• MOON-BROUGH
n. 1899 – a halo around the moon (Sc.)
• MOONCALF
n. 1. 1565 – a congenitally formed animal; a monster (obs.)
n. 2. 1620 – a fool, a simpleton, an idiot
n. 3. 1944 – a bastard (Amer. dial.)
• MOON-CHONCE
adj. Bk1905 – silly, foolish (Eng. dial.)
• MOON CRICKET
n. 20C – a Black person (US sl.)
• MOON CRUMBLER
n. 1939 – an imaginary animal said to live in the woods (Amer. dial.)
• MOON-CURSER
n. 1. 1673 – a link-boy, esp. one that lights his clients into a pack of rogues (link-boy = a boy who carried a flaming torch to light the way for pedestrians at night (Brit. sl.)
n. 2. 1812 – (‘mooncurser’) one who causes ships to wreck in order to plunder them; one who plunders wrecked ships (Amer. dial.)
• MOONCUSSING
n. 1937 – taking goods from wrecked ships (Amer. dial.)
• MOON-DARK
n. Bk1905 – money saved by a wife unknown to her husband (Eng. dial.)
• MOONDOWN
n. 1797 – the setting of the moon; the time when the moon sets (Amer. dial.)
• MOO-NECK
n. 1967 – a woodchuck, a marmot, a groundhog (Amer. dial.)
• MOONER
n. 1. 19C – a drunkard (Brit. sl.)
n. 2. 1848 – someone who goes about listlessly; an idler; one who seems to be staring at the moon (sl.)
n. 3. 1914 – an imaginary animal said to live in the woods, to which night sounds are attributed (Amer. dial.)
• MOONEY
adj. 1. 19C – intoxicated with alcohol (sl.)
adj. 2. Bk1942 – silly, esp. in demonstrating affection (Amer. sl.)
adj. 3. Bk1942 – absent-minded; dreamy (Amer. sl.)
n. 1. 1682 – a fool; a soft-head (sl.)
n. 2. 1929 – illegally made whisky (Amer. dial.)
• MOON-EYED
adj. 1. 1610 – partially blind
adj. 2. 1737 – drunk (Amer. dial.)
adj. 3. 1933 – able to see better by night than by day (Amer. dial.)
• MOON-EYED HEN
n. c1780 – a squinting wench (Brit. sl.)
• MOON-FACED
adj. L19 – Japanese-faced (Brit. sl.)
• MOON-FIXER
n. c1950 – a very tall, usually lanky, person (Amer. dial.)
• MOONGLADE
n. 1859 – the diffused and lengthened reflection of moonlight on water (Amer. dial.)
• MOON-HEAD
n. 1919 – a silly, awkward fellow (Amer. dial.)
• MOON-HEADED
adj. Bk1942 – silly, esp. in demonstrating affection (Amer. sl.)
• MOONHOUSE
n. 1966 – an outhouse (Amer. dial.)
• MOONIE
n. 1968 – a cow with a bad temper (Amer. dial.)
• MOONIED UP
adj. Bk1905 – spoiled and coddled by injudicious bringing up (Eng. dial.)
• MOONISH
adj. c1407 – resembling or characteristic of the moon; influenced by the moon; acting as if under the moon’s influence; changeable, fickle, flighty, whimsical, capricious, variable (obs.)
• THE MOON IS IN THE HALLIOR
phr. 1815 – the moon is in her last quarter, is much in the wane (Sc.)
• MOON JELLY
n. 1981 – a jellyfish; the jellyfish most commonly washed up on beaches during high tide or after a storm (Amer. dial.)
• MOONLIGHT
n. 19C – smuggled spirits (sl.)
vb. 1. L19 – to engage in criminal activity at night (UK criminals’ sl.)
vb. 2. 1950s to steal cattle (Irish sl.)
vb. 3. 1957 – to have more than one job (sl., orig. US)
• MOONLIGHTER
n. 1. M19 – a prostitute (Brit. sl.)
n. 2. L19 – a thief or burglar who operates at night (UK criminals’ sl.)
n. 3. 1920s – a smuggler of illicitly distilled liquor (sl.)
n. 4. 1950s – a cattle thief (Irish sl.)
n. 5. 1957 – someone who works at more than one job (sl.)
n. 6. 1960s – one who betrays their regular partner (US teen sl.)
• MOONLIGHT FLIT
n. L19 – the removal of one’s household goods, and with them oneself, late at night in order to escape paying one’s rent (sl.)
• MOONLIGHT FLITS
n. 1990s – the female breasts (rhyming sl. for ‘tits’)
• MOONLIGHT FLITTING
n. E18 – leaving a house late at night to avoid paying the rent (sl.)
• MOONLIGHTING
n. 1. 1950s – taking a second job, usually late-night, in addition to one’s daily employment (sl.)
n. 2. 1969 – loafing on the job (Amer. dial.)
• MOONLING
n. 1616 – a simpleton, a silly fellow, a fool, an idiot, a lunatic (obs.)
• MOON-MAN
n. 1. L16 – a robber by night (Brit. colloq.)
n. 2. 17C – a gypsy (Brit. sl.)
• MOONOX
n. 1805 – a woodchuck, a marmot, a groundhog (Amer. dial.)
• MOON-RAKER
n. 1. c1765 – a Wiltshire man (Brit. colloq..)
n. 2. c1840 – a blockhead, a very foolish person (Brit. colloq.)
n. 3. 1870 – a smuggler (Eng. dial. & colloq.)
• MOONRAKING
adj. 1869 – absent-minded (Eng. dial.)
n. 1846 – the act of taking part in a foolhardy or unfruitful activity
• MOONSET
n. 1818 – the moment when the moon disappears below the horizon
• MOON-SHAFT
n. 1896 – a ray of moonlight (Eng. dial.)
• MOONSHINE
n. 1. L16 – foolish talk or thought; nonsense; humbug; a mere pretense
n. 2. L18 – homemade whisky; cheap or inferior alcohol; any alcohol (cant & colloq.)
n. 3. 1933 – rice (Amer. dial.)
n. 4. Bk1942 – a month (Amer. sl.)
n. 5. Bk1942 – something worthless (Amer. sl.)
n. 6. 1961 – baker’s light bread (Amer. dial., derogatory)
n. 7. 1966 – rice and raisins cooked together (eaten by cowboys) (Amer. dial.)
• MOONSHOT
n. 1. 1972 – anal sex (US sl.)
n. 2. 1986 – outdoor sex at night (US sl.)
• MOONSTOMP
n. 1999 – an ungainly dance associated with the skinhead youth cult (UK sl.)
• MOONSTRICKEN
adj. 1820 – deranged or mad (rare)
• MOONSTRUCK
adj. 1674 – deranged or mad
• MOON-TIME
n. 1. Bk1905 – the time when the illuminated side of the moon is turned towards the earth (Eng. dial.)
n. 2. 2000 – the bleed period of the menstrual cycle (US sl.)
• MOON-UP
n. 1907 – moonrise (Amer. dial.)
• MOONWALK
vb. 1984 – to perform a dance-step which, when it is done well, gives the impression of walking forward whilst gliding in reverse; popularized by Michael Jackson (US sl.)
• MOONWALKER
n. 1950 – a person who sleepwalks (rare)
• MOONY
adj. 1. 19C – intoxicated with alcohol (Brit. & US sl.)
adj. 2. Bk1942 – crazy; foolish; silly, esp. in demonstrating affection (sl.)
adj. 3. Bk1942 – absent-minded; dreamy; listless (US sl.)
n. 1988 – any slow or romantic dance, or the music for it, played at an organized dance or disco, esp. at the end of an evening (Sc. sl.)
• MOOP
n. 1959 – a person suffering from chronic disorientation in Arctic regions of Antarctica produced by long days and then long nights (Antarctica)
• MOO POO
n. 1994 – cow manure (Aust. sl.)
• MOOR
n. 1888 – a member of a racially mixed people living in central Delaware and southern New Jersey (Amer. dial.)
• THE MOOR
n. 1869 – Dartmoor prison (UK sl.)
• MOOSE
n. 1. 20C – a nickname for a woman (US sl., derogatory)
n. 2. 1910 – a large, powerful, or clumsy person (US sl.)
n. 3. 1951 – a Japanese or Korean prostitute; hence, any Asian woman who cohabits with a serviceman (US military in the Far East)
n. 4. 1953 – a young Japanese or Korean woman, esp. the wife or mistress of a serviceman stationed in Japan or Korea (US services’ sl.)
n. 5. 1974 – a big man; an overweight girl; anything large and difficult to manage (US sl.)
n. 6. 1974 – a girl (US sl.)
n. 7. 1995 – an unattractive female (Irish sl.)
n. 8. 1996 – in poker: a large pot (US sl.)
• MOOSE CAT
n. 1. 1926 – anyone possessing great ability, strength, etc.; an extraordinary person (Amer. logging usage)
n. 2. 1956 – anything unusually large or extraordinary (Amer. logging usage)
• MOOSE-EYE
n. 1944 – a strong, direct stare (Amer. dial.)
• MOOSEFACE
n. 1859 – an ugly or unattractive person (Amer. sl.)
• MOOSE JAW
n. 1967 – a large or protruding jaw (Amer. dial.)
• MOOSE-JAWED
adj. 1967 – having a prominent lower jaw (Amer. dial.)
• MOOSE MILK
n. 1. 1954 – whisky (Amer. sl.)
n. 2. 1957 – a mixed alcoholic drink made with ingredients such as milk and eggs and usually rum (Can. sl.)
• MOOSEY
n. 1920 – the vagina (US sl.)
• MOOSH
n. 1. L18 – the face or mouth (sl., orig. Aust. & US)
n. 2. L19 – prison food, often porridge (Aust. sl.)
n. 3. 1917 – a guardroom or cell; a military prison (sl.)
n. 4. 1936 – a term of address to a male; gen. used by men to other men (Brit. sl.)
n. 5. 1960s – a moustache (sl.)
n. 6. 1990s – mushrooms (sl.)
• MOOT
n. 1965 – a soft roll of dust that collects on the floor under beds or other furniture (Amer. dial.)
• MOOTA • MOOTAH
n. 1933 – marijuana; a marijuana cigarette (US drug culture sl.)
• MOOTCHER
n. Bk1913-17 – a hanger-on at a saloon (Amer. dial.)
• MOOTER
n. 1933 – marijuana; a marijuana cigarette (US drug culture sl.)
• MOOTIE
n. 1933 – marijuana; a marijuana cigarette (US drug culture sl.)
• MOOZIE
n. 1980 – a soft roll of dust that collects on the floor under beds or other furniture (Amer. dial.)
• MOOZLES
n. 1878 – a slow, stupid, slovenly person (Eng. dial.)
• MOP
n. 1. 14C – a fool; an oaf (sl.)
n. 2. 16C – a sad face or expression
n. 3. 1616 – a tangle of hair
n. 4. 19C – a drunk who soaks up alcohol (Brit. sl.)
n. 5. 1966 – a person’s face (Amer. dial.)
vb. 1567 – to make a grimace or sad expression
• MOP ALONG
vb. 1970 – to move lethargically (Amer dial.)
• MOP AND MOW
vb. 1567 – to make a grimace or sad expression
• MOPE
n. 1. E17 – a fool; a dolt; an oaf; a dullard
n. 2. 1926 – a stealthy escape (US sl.)
n. 3. Bk1942 – a hasty or unceremonious departure (US sl.)
n. 4. 1994 – a nonsurgeon physician (hospital usage, derogatory)
n. 5. 1997 – a thug (US sl.)
vb. 1. Bk1942 – to be slow (US sl.)
vb. 2. 1980 – to quit your job in the circus (US sl.)
• MOPE AWAY
vb. 1980 – to quit your job in the circus (US sl.)
• MOPED
n. 2001 – a fat female; a promiscuous female (sl.)
• MOPERY
n. 1907 – incompetence, stupidity (US sl.)
• THE MOPES
n. 1954 – a fit of depression; a gloomy mood; a fit of being dispirited (Amer. dial.)
• MOPEY
adj. Bk1942 – slow (Amer. sl.)
• MOPHEAD
n. 20C – a person with thick, shaggy hair
• MOPHY
n. 1929 – a male homosexual (sl., chiefly S. Afr.)
• MOPISH
adj. 1. c1300 – dejected, gloomy (obs.)
adj. 2. 1568 – foolish, silly (obs.)
• MOP JOCKEY
n. 1958 – a janitor or custodian (US sl.)
• MOPOKE
n. 1946 – a slow or lugubrious person (Aust. & NZ sl.)
• MOPP
vb. 1993 – to don protective clothing and breathing apparatus against chemical warfare; ‘Mission Oriented Protective Posture’ (US sl.)
• MOPPER
n. 1950 – a person who tends to wheedle drinks from friends (Trinidad & Tobago)
• MOPPET
n. 1601 – a child (Brit.)
• MOPPLE
n. 1. B1900 – confusion, a state of disorder (Eng. dial.)
n. 2. B1900 – a blunder, a mistake (Eng. dial.)
vb. 1869 – to confuse, to puzzle (Eng. dial.)
• MOPPUS
n. 1. L17 – a farthing (sl.)
n. 2. L17 – a halfpenny (sl.)
• MOPPUSSES
n. L18 – money (sl.)
• MOPPY
adj. 1. 19C – intoxicated with alcohol (Brit. & US sl.)
adj. 2. 20C – of hair: thick, untidy, dishevelled
• MOPS AND BROOMS
adj. 19C – intoxicated with alcohol (sl.)
• MOP-SQUEEZER
n. 1949 – in a deck of playing cards: a queen (US sl.)
• MOPSTICK
n. 1. 20C – a fool or an idiot (sl.)
n. 2. 20C – a person who does odd jobs in a bar or saloon in exchange for drinks (US)
• MOPSY
n. 1. 1582 – a term of endearment; a pretty child; a young girl; a darling, a sweetheart (obs.)
n. 2. a1700 – a slatternly, untidy woman; a sloven; a dowdy or homely woman (obs.)
n. 3. 1855 – a woolly variety of dog
n. 4. B1900 – a diminutive or small person; a doll (Eng. dial.)
• MOP THE HAIR
vb. 1952 – to wash the hair (Amer. dial.)
• MOPTOP
n. 1964 – a youth or a young man who wears his hair in a fringed style popularized by the Beatles in the early 1960s (Brit. sl.)
• MOP-UP
n. 20C – an operation to tidy up after a flood, fire, etc.
(verbs as ‘mop up’)
vb. 1. 1811 – to guzzle liquor (sl.)
vb. 2. 1851 – to gain or win a significant of money (sl.)
vb. 3. 1898 – to finish off, usually by killing, to vanquish; hence, to finish the remainder of a task (sl.)
• MOPUS
n. 1. a1683 – a person who mopes (obs.)
n. 2. 1698 – a piece of money; coin (sl.)
n. 3. L17 – a farthing (sl.)
n. 4. L17 – a halfpenny (sl.)
• MOPUSSES
n. L18 – money (sl.)
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Updated: May 8, 2023