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.
Michael Gash is a large muscled man known for his amazing footballing ability
Ex kings lynn Town striker
Very fit
Girl: woah look its Michael Gash he is so hot
Girl 2 : I would definitely smash
meaning a prostiute
you slept with 6 mans your a "gash monger"
Can you please get your "Gash Gremlins"
to shut the fuck up as they have not stopped screaming at each other for the entire journey.
The ratio of girls (gash) to boys (nash) in a room or place.
What a crap gash to nash ratio,were never gunna pull
to shove more than just your shaft in
I finished by putting more mash in the gash
to shove more than your shaft in
last night I put more mash in the gash