mash up

"A mash up". Someone who is insane, crazy, or just not quite there.

That fool over there, he's a mash up.

by jduk23 January 10, 2008

Gash Mash-up

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.

by sbvodka July 28, 2010