The "mashed potato ice cream cone effect" is a surprise feeling (often negative) when you eat or bite into one thing thinking it's something else that looks similar
I poured myself some salsa to have with my tortilla chips. It wasn't until the first chip that I realized it was spaghetti sauce in a salsa jar. I quickly learned the meaning of the mashed potato ice cream cone effect
What to call sex between two old people (30+) as the man is past his peak (rotten potatoes) and the woman is expired (rotten milk).
"Ew, I caught my grandparents doing the raunchy mashed potatoes!"
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