A party where loads of men come along to shag women (usually hired prostitutes) in a huge gang-bang style orgy.
"Hey did you go to that gash bash last night? I heard Ricky caught something from that leggy blonde."
by Rankles March 02, 2009
Top Definition
The act of shagging a women . Literally bashing her gash with your meat sword
I'm really going to shag my woman hard tonight-She's in for a good gash-bash !
by Bumloudson Tepong January 15, 2007
1. A porn movie.
2. Somewhat the opposite of "Sausage Fest", A party or social gathering consisting entirely or almost entirely of women. Sometimes by design.
"Awesome gash bash, did you bring the strap-ons?"
by Cragg October 12, 2006
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