Fists that are soft like mashed potatoes because they aren’t clenched hard enough. mashed potato hand punches are weak, ineffective, and put the hand and wrist at risk of damage if you hit hard. Common among young low ranked martial arts students.
Those young white belts are gonna get themselves hurt if they don’t make proper fists and keep throwing punches with those mashed potato hands.
by Bigdickjonez January 24, 2023
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A temporary feeling of retardation that occurs while studying for a promotional process where a plethora of some useful, mostly useless, contradicting BS, is the subject matter.
Rookie: Sir, can we go over fire behavior today?

FF: dafuq is that shit?

Officer to rookie: Stay away from him, he's got mashed potato brains.
by A sad FF April 22, 2017
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The fat underneath the chin most notably seen when one lowers their head.
Damn she's got a bad mashed potato chin. Did you see it when she was looking down?
by LJ Mic June 24, 2009
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When one flexes his or her ass causing multiple dimples to form giving the appearance of lumps like mashed potatoes
Person 1: Oh my God, look at his ass.
Person 2: That is some seeeerious mashed potato ass.
by ABlackMan69 November 3, 2010
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It's a frickin side dish u sickos
Waiter: What would you like to have with your rotisserie chicken, sir?
Me: I'll have some mashed potatoes and gravy
Waiter: Perfect! I'll just take your menu and it'll be ready in around 15 minutes
Me: Thanks
by Obv troll is obvious November 26, 2020
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Telling some one about a mashed potato convention Will instantly make them think "Who the fuck would take the time to set up a mashed potato convention". Then upon Explaining it to them will increasingly want to go. The need to go will become so strong that when they figure out there is no mashed potato convention they are very depressed.
you: Hey have you heard about the Mashed potato convention coming up?

Friend: No theres no such thing as a mashed potato convention.

You: yeh there is theres over 89 mash potato flavors plus a king of the potato contest were you get to try all the mashed potato.

Friend: Really that sounds so fucking dumb but i really want to go to this were is it?

You theres no mashed potato convention you retard.
by Jason Rodd April 15, 2011
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V. Mash-Potatoing is the process of slamming a semi flacid boner, a.k.a. chub, into the lips of a vagina but not actually entering the vagina.
Billy: yeah i couldnt get it in her cuz i wasnt fully hard but we were still goin at it.

Craig: she was mash-potatoing your dick?
by craiggetshispooholelicked June 21, 2010
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