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

Backwards Mashed Potatoes

The art of ejaculating inside of someone and proceeding to shit inside of them (preferably wetly). The colors are reversed.

Please uncle Mike… no more backwards mashed potatoes.

by NapoleonD December 28, 2023

Mash

Heavy kissing without using your tongue. Two people mashing their lips together.

Tony: "Did you see those Steve and Brenda at the party last night?"
Meg: "OMG they were really mashing."

by wollfe February 28, 2013

flat mash

A disfigured vagina requiring corrective surgery from the result of riding ones bicycle for a extended period of time.

"I've ridden my bike for 20hrs this week, my vagina is a flat mash after that"

by Sukmydix February 1, 2017

flex mashing

A form of jitter clicking most used in sm64 speed runs for blj's

Person one: what's the best way the blj?
Person two: flex mashing ofc

by flex mashing bih March 18, 2021

Mash

To beat somebody up badly.

“Imma mash this nigga if he don’t got my money”

by ICryMyselfToSleepXD April 5, 2024

Raunchy Mashed Potatoes

What to call sex between two old people (30+) as the man is past his peak (rotten potatoes) and the woman is expired (rotten milk).

"Ew, I caught my grandparents doing the raunchy mashed potatoes!"

by raunchyrooster93 August 14, 2024