When a person gets bored of one persons vagina so has to swap from fanny to fanny. Also if a person does not get action from his girlfriend or only once or twice a week so finds other girls so he can get gash all week.
Joe: Woww i've got a proper gash mash-up this week lillie on monday then ellie tuesday then my girlfriends sleeping over wednesday but friday i think i will see Georgie.
Jack: Ahh cant be arsed my girlfriends fanny is to tight i get bored might as well go fuck Georgie.
Jack: Ahh cant be arsed my girlfriends fanny is to tight i get bored might as well go fuck Georgie.
by sbvodka July 28, 2010

The mucusy build up of a greeny substance on the labia due to a horrendous infection, usually caused by a guy named Dimitri.
Dimitri proceeded to have sexual relations with Dillon knowing full well he would infect her with a "gash snot" infection.
by Forest Mouse March 7, 2017

“Tim, how much gash do you slash?”
“Idk man, levi is slashing all the gash... he’s the gash slasher.”
“Idk man, levi is slashing all the gash... he’s the gash slasher.”
by Masterslash June 2, 2019

by AfterMarketWetDet February 12, 2017

by Copywriter? April 30, 2016

by Beltazar November 13, 2017

by english literature January 22, 2013
