sex with a guy who really has no rhythm or finesse,basically "pound pound pound"
He was such a potatoe masher in bed!
by Brad January 11, 2004
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WW2 German stick hand grenade. Tucked into the belt or boot of infantryman was a formidable weapon both in assault and defence.
Unlike allied grenades it did not depend on throwing out fragments of red hot metal, just the power of its 4.2 oz explosive charge.

May have resembled a kitchen utensil of the time.
That potatoe masher exploded so close that I cannot hear what you are saying and Seargent Bodybitz is dead...
by Blue Cawdrey November 23, 2004
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The potato masher was/is a British wording for the German Army's Stielgranate 24. It was used by every the entire Wehrmacht.

Due to it's shape and appearance it was called potatomasher by the British forces. The video game Call of Duty 2 features this fact. Interestingly the Soviet Red Army's soldiers are calling the stick grenade potato masher also.

Nowadays the German Modell 24 Stielgranate is one of the most easily recognized WWII small arms.
In the USA the Stielgranate is collected like stamps by some collecters. Especially the US soldiers returning home took one or more home with them as a "Souvenir out of the Reich".
by The_Emperor July 13, 2009
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Version of term "Grenade" made famous by the cast of Jersey Shore referring to ugly girls. Potato masher is what the allies nicknamed the German grenades in WWII and also refers to the ugliest, fattest and most nasty chicks one encounters.
This party is full of potato mashers, lets get the fuck out.
by JerseyJoe6262 September 23, 2010
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The act of hiding the evidence that you pooped in a sink or bathtub by smashing your stool with your foot or hand until it has become mashed enough to flow smoothly down the drain. Covering up any evidence that you defiled a bathroom.
I live in a one bathroom apartment but my roommate was using it at the time, so I had to think quick without destroying my pants. So I squatted over the kitchen sink and then proceeded to be a potato masher before my roommate was done in the bathroom.
by Tazo Defines March 2, 2017
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A fun variation of the standard hand job. The man lies naked on a kitchen counter, and the woman proceeds to jack him off.
We were bored last night, so we moved into the kitchen where my gf gave me a potato masher.
by Dan I am February 6, 2010
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