an acronym for gonorrhea, aids, syphilis and herpes. Used in a tense implying that a woman is extremely nasty and probably has an STD
by dkode December 28, 2005
Get the gashmug. by theessexmole April 22, 2009
Get the gashmug. by Anonymous October 11, 2003
Get the gashmug. exagerating, not telling the truth
"we were in the volley playing pool, that much is true. But Begbie is playing abssolutely fucking gash" - Trainspotting
by _GoD_ September 20, 2004
Get the gashmug. by dario g February 19, 2004
Get the gashmug. by etyujntgy December 28, 2005
Get the gashmug. 