Is a vivid and crude way of describing severe trauma or injury to someone's testicles (potatoes), implying they have been so badly crushed or damaged that they are no longer in their normal shape or condition. This expression is used to emphasize the extent of the injury and the extreme pain associated with it.
Guy 1: Fuck he crushed his nuts on the rail!
Guy 2: I bet he has balls like mashed potatoes now!
A menace to society that came to life from a bowl of unseasoned mashed potatoes. Soft, white, flavorless, and unrefined. Likes gravy.
Look at that Mashed Potato Man in the Trump hat.
A speccy bellend who eats mashed potatoes on a wednesday morning
"I am going to have roast beef & mashed potato tonight!" - Jack
"Okay wear protection" - Jake
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 a husband has vaginal sex with his wife in order to reproduce. This is only for instances in which the people fucking are a straight married couple who intend to create a child. A reference to the mashed potato like appearance of most newborn babies.
Kyle: hey john what are you planning on doing this weekend?
John: just making mashed potatoes with my sexy wife.
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