Mashed potatoes is your brain when you’ve smoked too much weed and you forget random shit. Or when you just feel dumb.
You: Where tf are my keys?!
Me: Where’d you leave it last?
You: idk
Me: Mashed potatoes, smoke some more!
Me: Where’d you leave it last?
You: idk
Me: Mashed potatoes, smoke some more!
by Cancel unsubscribe April 13, 2021

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.
John: just making mashed potatoes with my sexy wife.
by bigbrian42069 September 19, 2019

mashed potatoes refers to children and the fact that they often resemble mashed potatoes when they are born
by bigbrian42069 September 19, 2019

Referring to a thick double or triple stacked neck. Usually worn by a skinny person with a layered neck. Often light-skin folk.
by Therealdefiner May 18, 2025

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.
by Sickfuckquickfucks November 27, 2019

mashed potatoes (slang, political) — A self-inflicted humiliation, especially one involving Donald Trump, where he provokes or instigates a situation that backfires spectacularly, leaving him publicly embarrassed but unwilling to admit fault or laugh at himself. Originates from a childhood story in which Trump, after teasing his younger brother, had a bowl of mashed potatoes dumped on his head by his older brother, an incident that reportedly left a lasting mark on his pride.
When Trump stumbled and couldn’t correctly explain the Constitution during the interview, commentators called it pure mashed potatoes—a humiliation entirely of his own making.
by SWEPro August 13, 2025

by RainbowHugger March 4, 2011
