by Tha$lickest March 28, 2018
That fool over there, he's a mash up.
by jduk23 December 28, 2007
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
Bone mashing is the act of using hard objects such as a rock or hammer to smash your jaw bones crushing them for them to heal stronger with the goal of achieving a sharper jawline. It is also commonly combined with mewing for the ultimate effect on a masculine face.
by Goon aster united March 19, 2024
When a man sticks his dick into a hot potato and then two 500 pound women wearing military boots stomp on the potato.
by Phatcockandnutsmaybe May 21, 2020
by tino francis May 01, 2009
by Pimply November 19, 2023