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
When your having sex with a girl and she squirts on your face then you throw up.
I was mashing potatoes last night then had to take a shower to wash the filth off .
At a family thanksgiving, while preparing mashed potatoes, you leave the kitchen while the potatoes boil, and fuck before they are finished. You return like nothing happened.
Hey girl, the family is driving me nuts, let’s go have a mashed potato quickie
Clean way of saying "masturbating and watching porn." The tense of "eating" can change depending on context.
Since I wasn't invited to any parties Friday night, I ended up staying home eating mashed potatoes.
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.
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.
A girl whose sole occupation consists of expertly mashing spuds day in and day out, turning the humble tuber into a work of culinary art!
Chef 1: "Who's on the mashed potato baddie duty tonight?"
Chef 2: "I did it yesterday, so it's your turn today!"
Chef 1: "Fair enough, I'll be the mashed potato baddie today and whip up a batch that'll have everyone begging for seconds."