GAFFLE to take or seize hold of ...Bk1913-17 Amer. dial.
GALLOPTIOUS splendid, fine, excellent ...Bk1913-17 Amer. dial.
GARDEN-SASS fresh vegetables ...Bk1913-17 Amer. dial.
GASH the vagina; sex with a woman; a woman as a sex object ...1866 US sl.
GASH (derogatory) a woman ...1914 sl.
GASH a second helping of food ...1943 Aust. sl.
GASH a male homosexual who is sexually passive ...1950 US sl.
GASH rubbish, refuse ...1958 Antarctica usage
GASH marijuana ...1986 US sl.
GASH to have sex ...1989 US sl.
GASH HOUND a man who is obsessed with women ...1955 US sl.
GASOLINE WAGON an automobile ...Bk1913-17 Amer. dial.
GASSED tipsy, drunk ...1919 UK World War I military usage
GASSED describes a drug that is considered to be terrific or very enjoyable; used esp. of marijuana ...1946 US sl.
GAT-CREEPER a sycophant ...1985 S. Afr.
GATE FEVER the anxiety suffered by prisoners as they approach their release date ...1958 UK sl.
GATE HAPPY of prisoners: exuberant or excited at the approach of a release date ...1996 UK sl.
GATEKEEPER a person who introduces another to a first LSD experience ...1967 US sl.
GATEMOUTH jazz trumpeter Louis Armstrong (1901-1971) ...1936 US sl.
GATEMOUTH a gossip ...1944 US sl.
GATES OF ROME home ...1960 UK rhyming sl.
GATTED drunk ...2002 UK sl.
GAWD FORBID a child ...1909 Brit. rhyming sl. for 'kid'
GAWD FORBID (derogatory or offensive) a Jew ...1960 Brit. rhyming sl. for 'yid'
GAWKWARD gawky ...Bk1913-17 Amer. dial.
GET ONE'S BACON to discomfit; to defeat ...Bk1913-17 Amer. dial.
GET YOUR BATTERY CHARGED to have sex ...1935 US sl.
GIBBET to beat, to punish, to hurt severely ...Bk1913-17 Amer. dial.
GINGERBREAD money ... Bk1903 sl.
GINK (mainly derogatory) a male person; a fellow ...1906 sl., orig. US
GIVE JESSE to rebuke with vigour; to thrash ...1847 Amer. sl.
GO BAG YOUR HEAD! angry, scornful, or sarcastic advice ...Bk1913-17 Amer. dial.
GOD-SIZE abnormally large ...1960s Amer. sl.
GO FOR A HARD HIT to defecate ...1978 UK sl.
GOO FOOD East Asian food ...1990s US campus sl.
GOOFY-ASS silly, foolish ...1910s sl.
GOOG a fool ...1910s sl.
GOOG a black eye ...1920s US sl.
GOOG an egg ...20C Aust. sl.
GOOG to stand around; to watch others ...1950s sl.
GOO-GOBS a very large or infinite amount ...1970s US Black sl.