Reverse Dictionary: FUNNY

ADJECTIVES
► BOFFO funny, uproarious, slapstickish → 1975 US sl. (Bk.)
► BUGS BUNNY funny → 1997 NZ prison rhyming sl.
► FUNNY AS A BIT OF STRING ► FUNNY AS A PIECE OF STRING highly amusing → 1930s NZ sl.
► FUNNY AS A BOX OF WORMS very funny; often used ironically → 1900s NZ sl.
► HYSTERICAL extremely funny, hilarious → 1925 colloq.
► IKEY funny → L19 sl.
► KILLING very funny or amusing → 1844 sl.
► PRICELESS very funny or amusing → 1907 sl.
► QUEER amusing, funny, humorous, entertaining → 1787 Sc. obs.
► RAPSICAL thoughtless; funny; boisterous, esp. when lightly intoxicated → Bk1905 Eng. dial.
► RICH very funny or amusing; or used ironically, to suggest unreasonableness; ridiculous → 1760
► RIPE very funny or amusing; usually used ironically, to suggest unreasonableness → 1923 sl.
► SIDE-SPLITTING extremely funny → M19 sl.

NOUNS
► BARKER a funny joke or saying → 1975 US sl. (Bk.)
► CAK something extremely funny → 1989 Aust. sl.
► CORKER something good, funny, or entertaining → Bk2006 US sl.
► FARCE a funny story, a joke → 1928 Sc.
► FUNNIMENT a being fun or funny → 1822 colloq.
► FUNNIOSITY a comical action, remark, etc.; a joke, a witticism → 1871 colloq.
► FUNNY DOPE funny or farcical actions, dialogue, etc. → 1904 obs.
► GUT-BUSTER a hilarious joke; something very funny → 1985 Amer. sl.
► HOOT, A something or someone very funny or amusing → 1942 sl., orig. US
► HOWL something funny → 2006 US sl. (Bk.)
► KACK something extremely funny → 1989 Aust. sl.
► LAFF RIOT ► LAUGH RIOT a very funny show, event. etc. → 1940 theatrical sl.
► LAUGH, A something very funny or amusing; often  used ironically → 1930 sl.
► LAUGHER something very funny or amusing → 1973 US sl.
► NIFTY a joke, a funny story, a clever plan → 1918 US sl.
► SCREAM something or someone very funny or amusing → 1888 sl.
► SCREAMER a tale, etc. that raises screams of laughter → 1831 sl.
► SIDE-SPLITTER something exceedingly funny → M19 sl.
► YELL, A something or someone very funny or amusing → 1926 sl.

NOUNS – PERSON
► CACK ► CAK ► KACK someone extremely funny; someone who has a good sense of humour → 1989 Aust. sl.
► CORKER a good, funny, or entertaining person → Bk2006 US sl.
► CRACKUP a very funny person → 1960s US sl.
► CURE an odd or eccentric person; a funny fellow → 1856 sl.
► HARD CASE a funny character; a persistently funny, witty, amusing person → 1892 Aust. & NZ sl.
► HOOT, A something or someone very funny or amusing → 1942 sl., orig. US
► JO-JO a funny character → 1900s US sl.
► LAUGH, A someone very funny or amusing; often  used ironically → 1930 sl.
► LAUGHER someone very funny or amusing → 1973 US sl.
► SCONCE a funny fellow → Bk1890 Eng. dial.
► SCREAM something or someone very funny or amusing → 1888 sl.
► WANK a funny, odd, amusing, or eccentric person → Bk1988 Aust. sl.
► WANKER a funny, odd, amusing, or eccentric person → Bk1988 Aust. sl. 
► YELL, A something or someone very funny or amusing → 1926 sl.

PHRASES
► IT’S ENOUGH TO MAKE A CAT LAUGH it is extremely funny, droll, or ludicrous → 1851 colloq.
► IT’S ENOUGH TO MAKE A DOG LAUGH it is extremely funny, droll, or ludicrous → 17C colloq.
► IT WOULD MAKE A CAT LAUGH it is extremely funny, droll, or ludicrous → 1851 colloq.
► IT WOULD MAKE A FLY LAUGH it is extremely funny, droll, or ludicrous → 17C colloq.

VERBS
► FALL OUT to burst out laughing; to be tickled by something funny → 1946 Amer. dial.
► NETTY to be funny → 1943 W. Indies sl.