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

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

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-Potatoing

Its the act of stuffing a condom into the lips of a vagina but not really entering.

Joe: Hey, did you actually have sex?
David: No, I was just mash-potatoing her.

by Konoyaro Bakayaro December 7, 2015

Muncie Mashed Potato

Named after Muncie, Indiana. A Muncie Mashed Potato is where you are doing anal and a girl shits on your dick

“Dude last night I did the Muncie Mashed Potato

by DUCKBOYDAOIL April 16, 2024

Manhattan Mashed Potato

When a man sticks his dick into a hot potato and then two 500 pound women wearing military boots stomp on the potato.

My dick was DESTROYED last night because of that Manhattan Mashed Potato.

by Phatcockandnutsmaybe May 21, 2020

Mash job

Repeatedly punching the testicles of a sexual partner for pleasure.

Tim:
I love when becky uses me like a speed bag.
Frank:
What?
Tim:
She gives the best mash jobs.

by Weird kinks April 28, 2022