• MO
n. 1. 1896 sl. – a moment; a second
n. 2. 1896 sl. – a moustache
n. 3. M19 Aust. sl. – a bookmaker
n. 4. L19 Aust. sl. – the female genital area, esp. the pubic area
n. 5. 1910s US sl. – a month
n. 6. World War I Brit. army sl. – a Medical Officer
n. 7. 1960s US students’ sl. – a homosexual
n. 8. 1970s drug culture sl. – marijuana
n. 9. 1990s African-American teen sl. – the Fillmore area of San Francisco
vb. 20C Amer. sl. – to behave like a homosexual, esp. in over-familiar or over-affectionate behaviour or inadvertent touching
• MOAB
n. 1. 1858 Brit. university sl. – a hat; esp. the turban-shaped hat in feminine vogue
n. 2. c1860 Brit. sl. – a lavatory
• MOABITE
n. L17 sl. – a bailiff
• MOAK
n. 1. 1839 – a donkey; a mule
n. 2. 1847 Amer. sl., usually contemptuous and offensive – a Black person
• MOAKIE
n. 1818 Sc. – a fondling name for a calf
• MOAN
n. 1. 1910s sl., orig. military usage – a grievance, a complaint
n. 2. 1926 Amer. dial. – a mournful song, esp. a blues song
vb. 1. 1910s sl. – to complain
vb. 2. 1927 Amer. dial. – to sing; to sing a blues song
vb. 3. 1942 Amer. dial. – to hum, usually in chorus, as part of a church service
• MOANA
n. 1972 Hawaii – the ocean
• MOAN AND WAIL
n. 1940s rhyming sl. – a jail
• MOAN AROUND
vb. 1932 Amer. dial. – to go about in a depressed or melancholy mood; to mope
• MOANER
n. 1. 1920s sl., orig. US – a complainer, a whinger, a pessimist
n. 2. 1927 Amer. dial. – a singer of the blues
• MOANERS’ BENCH
n. 1929 Amer. dial. – a bench, seat, or rail set aside for penitents at the front of a church or revival meeting
• MOANING MINNIE
n. 1941 sl. – a German trench-mortar, or the bomb discharged by it
• MOAT
n. M19 US criminals’ sl. – a river
• MOAT PALACE
n. M19 US criminals’ sl. – a river steamboat
• MOAX
vb. 1841 Eng. dial. – to move about in a confused manner; to confuse, to daze
• MOB
adj. 1. 1920s US sl. – Mafia-related
adj. 2. 1940s US sl. – related to a criminal gang or its culture and lifestyle
n. 1. M17 sl. – a prostitute
n. 2. L17 sl. – the rabble
n. 3. L18 sl., orig. US – a criminal gang
n. 4. 1898 Eng. dial. – a drove or school of whales
n. 5. E19 sl. – a company or group of associates
n. 6. L19 sl. orig. Aust. – a gang of ruffians or thugs
n. 7. Bk1905 Eng. dial. – a slut, a slattern
n. 8. 1916 sl. – a military unit
n. 9. 1927 US sl. – an organization of violent criminals, often spec. the Mafia
vb. 1. L17 sl. – to move around with or act in a crowd
vb. 2. M18 sl. – to attack in a large group
vb. 3. 1884 Eng. dial. – to scold, to rate; to taunt, to abuse; to ridicule, to jeer at
vb. 4. 1889 Eng. dial. – to pelt; to beat a delinquent schoolboy with caps, etc.
vb. 5. Bk1905 Eng. dial. – to dress carelessly and untidily
vb. 6. 1930s US criminals’ sl. – to be murdered on the instructions of a criminal gang
vb. 7. 1990s African-American sl. – to associate
vb. 8. 1990s African-American sl. – to go, to travel
• THE MOB
n. 1. 1920s US sl. – the US Mafia
n. 2. 1990s sl. – any form of organized crime
• MOBARD; MOBBARD
n. a1450 obs. rare, contemptuous usage – a villain; a rascal; a fool
• MOBBED UP (WITH)
adj. E19 sl. – living, travelling, or working alongside
• MOB-BEG
n. 1881 Eng. dial. – a mob of boys; a little crowd or mob
• MOBBER
n. 1745 Eng. dial. – a rioter, one of a mob or crowd of people
• MOBBLE
vb. 1865 Eng. dial. – to pelt with stones; to mob
• MOBBY
n. 1. 1888 US criminals’ sl. – a member of a criminal gang
n. 2. Bk1905 Eng. dial. – small beer
• MOB CITY
n. 1837 US sl. – Baltimore, Maryland
• MOBEY
n. 1990s sl. – a mobile telephone
• MOBGEE
n. World War I Amer. sl. – food
• MOB-HANDED
adj. 1934 sl. – used to denote that someone is part of or accompanied by a large gang
• MOBI
n. 1990s sl. – a mobile telephone
• MOBILE
vb. 1938 Amer. dial. – to run or move fast
• MOBILE DANDRUFF
n. 1941 US military sl. – lice or fleas
• MOBILITY
n. 1775 US – the mob
• MOB IT
vb. 1. L17 sl. – to move around with or act in a crowd
vb. 2. M18 sl. – to attack in a large group
vb. 3. 1930s US criminals’ sl. – to be murdered on the instructions of a criminal gang
vb. 4. 1990s African-American sl. – to associate
• MOBLEMENT
n. Bk1905 Eng. dial. – confusion, disorder
• MOBOCRACY
n. Bk1991 – government by the mob; the mob as ruler or dominant force in society
• MOBOLATRY
n. Bk1991 – a reverence for and veneration of the mob
• MOBS
n. Bk1905 Eng. dial. – blinkers for horses
• MOBSTER
n. 1917 sl., orig. US – a member of a criminal gang
• MOB TOWN
n. 1859 US sl. – Baltimore, Maryland
• MOBY
adj. 1965 US college sl. – large, huge; fat, obese
n. 1. L19 rhyming sl. for ‘nick’ (Moby Dick) – prison
n. 2. L19 rhyming sl. for ‘dick’ (Moby Dick) – the penis
n. 3. 1990s sl. – a mobile telephone
• MOBY DICK
adj. 1990s rhyming sl. – sick, ill
n. 1. L19 rhyming sl. for ‘nick’ – prison
n. 2. L19 rhyming sl. for ‘dick’ – the penis
• MOCCASINED
adj. M19 US sl. – drunk
• MOCCASINS
n. L19 US sl. – any kind of footwear
• MOCCASIN TELEGRAPH
n. 1927 Amer. dial. – the informal means by which news is spread in American Indian communities
• MOCHA
n. Bk1847 Eng. dial. – a cat of a black colour, intermixed with brown
• MOCK
n. 1. 1821 Sc. – a sham, cheat, swindle; a falsehood
n. 2. 1851 Eng. dial. – the stump of a tree with the root
n. 3. 1851 Eng. dial. – a large block
n. 4. 1851 Eng. dial. – a large stick
vb. Bk1905 Eng. dial. – to imitate, to mimic
• MOCKAGE
n. 1897 Sc. – mockery, mocking
• MOCK BEGGAR HALL
n. Bk1905 Eng. dial. – a house with an inviting external appearance, but within poor and bare, and therefore disappointing to those who come to beg
• MOCKER
n. 1. Bk1942 Amer. sl. – a mockingbird
n. 2. 1947 Aust. & NZ sl. – clothing; dress
vb. 1850 Eng. dial. – to divide or cleave in pieces
• MOCKERED UP
adj. 1938 Aust. & NZ sl. – dressed in one’s smartest clothes
• MOCKERS!
int. 20C Brit. sl. – an exclamation of defiance, more usually in an attempt to put off or jinx an opponent in sports or games
• MOCKET
n. BK1905 Eng. dial. – the intestine of a calf
• MOCKEY
n. 1. 1931 US sl., derogatory or offensive – a Jew
n. 2. 1936 US West usage – a wild mare
n. 3. 1949 Amer. dial. – a dun horse with a black mane
• MOCK-EYE
n. 1900 Eng. dial. – a glass eye
• MOCKIE
adj. 1930s US sl., derogatory – Jewish
n. 1. 1931 US sl., derogatory or offensive – a Jew
n. 2. 1936 US West usage – a wild mare
n. 3. 1949 Amer. dial. – a dun horse with a black mane
• MOCKINGBIRD
n. 1. 1960s UK & Aust. rhyming sl., orig. theatrical usage – a word
n. 2. 1980s Aust. rhyming sl. for ‘turd’ – a piece of excrement
• MOCKINGBIRD TALE
n. 1950 Amer. dial. – loose tattle of one who receives a bit of scandal in confidence, and proceeds to broadcast it
• MOCK LITANY MEN
n. L19 sl. – beggars who make their demands in a sing-song or versifying manner
• MOCK OUT
vb. 1960s US students’ sl. – to tease
• MOCKRIFE
adj. 1818 Sc. – scornful, mocking
• MOCKS
n. 1. 1774 Sc. – fun, badinage
n. 2. 1847 Eng. dial. – trifles
• MOCK-SHADOW
n. 1876 Eng. dial. – twilight
• MOCKTAIL
n. 1982 US sl. – a nonalcoholic drink
• MOCK THE AFFLICTED
vb. 1838 – to speak or behave maliciously, insultingly, or insensitively to someone already in distress or suffering misfortune
• MOCKY
adj. M20 US sl., derogatory or offensive – Jewish
n. 1. 1931 Amer. dial., usually derogatory – a Jew
n. 2. 1936 Amer. dial. – a young, usually wild, mare
n. 3. 1939 Amer. dial. – gravy
n. 4. 1949 Amer. dial. – a dun horse with a black mane
• MOCS
n. 1950s US sl. – slip-on shoes
• MOCUS
adj. 1954-60 Amer. sl. – drunk
• MOD
adj. 1964 Amer. sl. – stylish, fashionable
n. 1. Bk1905 Sc. – a small quantity
n. 2. Bk1905 Eng. dial. – a clumsy or dumpy child
n. 3. 1940s sl. – a modification
n. 4. 1960 sl. – a member of a 1960s youth cult characterized by an obsessive interest in fashionable clothing, in the riding of motor-scooters, and in listening and dancing to soul and ska music; broadly, a young person who wears extremely fashionable or (later) avant-garde clothing
n. 5. 1993 US students’ sl. – a person who dresses in black and wears Dr. Martens, listens to alternative music, has a cynical attitude, and may have body piercings and coloured hair
vb. 1950s sl. – to modify
• MODAMS
n. 1970s drug culture sl. – marijuana
• MOD CONS
n. 1930s sl. – modern conveniences
• MODDER
vb. 1865 Sc. obs. – to mutter
ֽ• MODDIN’
adj. Bk1905 Eng. dial. – clumsy, dumpy
• MODDLE
n. 1849 Eng. dial. – an exact likeness; a pattern
• MODDY-CALF
n. Bk1905 Eng. dial. – a young calf
• MODE
adj. 1984 Amer. students’ sl. – fashionable, modish
• MODEL
n. 1. 1849 Sc. & Eng. dial. – an exact likeness; a pattern
n. 2. L19 Sc. – a model lodging-house
n. 3. M20 sl. euphemism – a prostitute
vb. 1. 1721 Eng. dial. obs. – to organize, to arrange
vb. 2. 1990s African-American sl. – to pose, as at a party or club
• THE MODEL
n. M19 sl. – Pentonville prison, Caledonian Road, north London
• MODELLING
n. 1990s S. Afr. sl. – the parading of an offender naked through a township as a form of punishment
• MODELS
n. L19 sl. – purpose-built ‘model’ housing
• MODEL-T
adj. 1938 Amer. sl. – cheap, outdated; obsolete
• MODEL T SERGEANT
n. 1944 services’ sl. – a soldier with a Technician 3rd Class Rating
• MODERATE
adj. 1. 1897 Sc. – composed, quiet not flurried
adj. 2. Bk1905 Eng. dial. – in a fair state of health only, middling
• MODERNAL
adj. 1542 obs. – belonging to the present day
• MODEST-HAVIOURED
adj. 1878 – modestly behaved
• MODESTIOUS
adj. 1547 obs. rare – modest, chaste in habits
• MODEST QUENCHER
n. M19 sl. – a glass of gin and water
• MODESTY
n. 1910s Aust. sl. – a baby’s ‘pilch’, a triangular flannel wrapper worn over the nappy
• MODGE
n. Bk1905 Eng. dial. – confusion; a state of dirt and disorder; a dirty mess
vb. 1. 1847 Eng. dial. – to crush, to bruise
vb. 2. 1894 Eng. dial. – to muddle, to disorder, to confuse; used of inanimate objects
• MO-DICKER
n. 1968-70 Amer. sl – a despicable or contemptible person; a lazy, irresponsible person
• MODICUM
n. 1. E17 sl. – something that is eaten to make oneself thirsty
n. 2. M17 sl. – the vagina
• MODIEWART
n. 18C Sc. – the penis
• MODIGGER
n. M20 US sl. – the penis
• MODISH
adj. 1. 1709 Sc. – fashionable, in the mode
adj. 2. 1709 Sc. – polite, courteous
• MODOC
n. 1936 US sl.. derogatory – a man who becomes a pilot for the sake of pilots’ glamorous image
• MODOCK
n. 1933 Amer. aviation sl. – a pilot given to boasting about flying experiences; one who talks about aviation but never flies
vb. 1974 Amer. sl. – to run
• MODULAMINOUS
adj. 1637 obs. rare – melodious
• MODULATE
vb. 1975 Amer. Citizens’ Band radio sl. – to talk or converse over a two-way radio
• MOEKIN
adj. 1854 Eng. dial. – dull, silent, abstracted
• MOEMOE
n. 1938 Hawaii – sleep
vb. 1938 Hawaii – to sleep, to lie down
• MOEMS
n. 1824 Sc. – scraps of any kind
• MOEY
n. 1. 1859 sl. – the face
n. 2. 1859 sl. – the mouth
• MOFF
n. 20C Brit. sl. – a hermaphrodite
• MOFFIE
n. 1929 sl., chiefly S. Afr. – a male homosexual
• MOFO
adj. 1989 Amer. sl. – contemptible or despicable
n. 1965 Amer. sl. – a despicable or contemptible person
• MOFUCK
n. 1962 Amer. sl. – a despicable or contemptible person
• MO-FUCKER
n. a1987 Amer. sl. – a despicable or contemptible person
• MOG
n. 1. B1900 Eng. dial. – a dowdily-dressed person
n. 2. 1927 Brit. – a cat
n. 3. 1950 sl. – a fur coat
vb. 1. 1674 obs. – to exchange cards in the obsolete game of ‘costly colours’
vb. 2. 1764 Eng. dial. – to move on, to depart, to decamp; to go; to leave quickly or hastily; usually used with ‘off’ or ‘on’
vb. 3. 1857 Eng. & Amer. dial. – to walk along slowly but steadily; to move gently
vb. 4. 1867 Amer. dial. – to cause to move quickly; to make one go where they don’t want to go
vb. 5. B1900 – to enjoy one’s self in a quiet, easy, comfortable manner
vb. 6. B1900 Eng. dial. – to pout, to grow sullen, to mope; to refuse food
• MOG ALONG
vb. 1890 Amer. dial. – to walk, to move, esp. slowly or aimlessly; to depart
• MO-GAS
n. 1974-77 Amer. military usage – gasoline for vehicles’ ‘motor-gas’
• MOGATE
vb. 1938 Amer. dial., African-American usage – to move rapidly
• MOGE
n. 1888 Eng. dial. – a joke, a humbug, a trick
vb. 1854 sl., orig. Eng. dial. – to deceive, to fool, to trick, to cheat, to humbug; to play a joke on, to make fun of
• MOGEY
vb. 1968 Amer. dial. – to move slowly and without energy
• MOGG
vb. 1. 1730 Eng. dial. – to pout, to grow sullen; to mope; to refuse food
vb. 2. 1890 Amer. sl. – to move slowly or aimlessly; to trudge; to go
• MOGGADORED
adj. 1936 sl. – confused, bewildered
• MOGGANS
n. 1780 obs. exc. Sc. – the legs
• MOGGIE
n. 1. 1822 Sc. – the stomach of a fish or whale
n. 2. 1911 Brit. – a cat
• MOGGLE
vb. Bk1905 Eng. dial. – to mutter
• MOGGY
n. 1. 1726 Amer. sl. – a promiscuous woman; a prostitute
n. 2. c1825 Eng. dial. – a pet name for a calf or cow
n. 3. 1886 Eng. dial. & sl. – an untidy, badly-dressed woman; a slattern
n. 4. B1900 Eng. dial. – a stuffed figure; a scarecrow
n. 5. B1900 Eng. dial. – a pet name for a young donkey
n. 6. B1900 Eng. dial. – a moth
n. 7. B1900 – a cat
• MOGIGRAPHIA
n. 1856 – difficult or cramped writing; writer’s cramp
• MOGLE
vb. 1892 Amer. dial. – to move, esp. slowly or aimlessly
• MOGODORED
adj. 1936 sl. – confused, bewildered
• MOG OUT
vb. Bk1905 Eng. dial. – to dress oneself out
• MOGRAGE
n. Bk1905 Eng. dial. – mortgage
• MOGRE
n. 1825 Sc. – a clumsy mess, confusion, disorder
• MOGS
vb. 1880 Sc. – to trample or wade through mud, snow, etc.
• MOGUE
n. 1888 Eng. dial. – a joke, a humbug, a trick
vb. 1854 sl., orig. Eng. dial. – to deceive, to fool, to trick, to cheat, to humbug; to play a joke on, to make fun of
• MOGUST
n. Bk1905 Eng. dial. – a donkey, an ass
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Updated: March 1, 2023