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."
"I am going to have roast beef & mashed potato tonight!" - Jack
"Okay wear protection" - Jake
The act of putting Mashed Potatoes in a Pastry Bag and squirting them into someone’s ass… Then having Anal sex and cumming in the ass. Putting a tube in said ass and sucking the cum and potatoes out!
I was with my girl last night and she made me a Mashed Potato Captain.