mashing potatoes

Usually takes place after a heavy night of drinking. This is where the female will stop at nothing and is desperate to have sex. Completely neglecting the fact that you may have whiskey dick, she vigorous "mashes" her vagina into your penis in hopes of stimulating a flaccid erection

"Man, Dana was mashing potatoes all night long"

by tyson86 August 10, 2007

menstrual mashing

Scissor action with bloody vaginas.

Detective: What the fuck happened here.

Officer #1: Menstrual mashing sir...menstrual mashing.

Detective: My god.

by Logan Howell, Sam Bilyeu May 9, 2008

Mashing Potatoes

A euphemism for masturbation

"John, what have you been doing your forearms are massive?"
"Oh you know just mashing potatoes"

by Crystalgeek March 21, 2013

muff mashing

having violent sex with a female with a huge bush.

I was muff mashing that chick

by christianis afatass February 11, 2007

bean mashing

The act of two men slapping their nuts together

Eric was really bean mashing geno last night

by mbaine November 16, 2013

Mashing

When bicyclists, namely fixed-speed riders, dip and weave quickly through cars, skid through them, or a combination of the two.

Mark is one of the best messengers I know. He's so good at Mashing.

by moooosiah March 20, 2009

Mashing

Mashing is a term commonly used to describe frotteurism. Frotteurism is a type of paraphilia involving sexual urges or sexually arousing fantasies involving bumping or rubbing against a stranger and/or a nonconsenting person for sexual gratifucation.

Frank was arrested for mashing a woman on a crowded subway.

by psychie December 9, 2009