When a female presses her breasts up against a window, ususaly from within a car, or from a deck where a hot tub is in use. Giving the viewer on the other side of the glass a view of her pressed tits. The effect is similar to a "presses ham" where you'd see ass instead of tit.
1. A girl presses her breasts to the sliding glass deck door, from the hot tub side.
Zoe: Look! Lisa's got her tits up against the window!

Donna: Oh. My. God! She's got such great tits!

Greg: Now that's what I call some nice mashed potatoes!

Zoe and Donna, together: That's brilliant!

2. Delayed effect.
Did someone give the window a mashed potato? There's nipple prints on the glass.

3. Observed at the bar.
Her top was so tight as to give the impression that her tits were like mashed potatos.
by aspman November 28, 2009

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Top Definition
Mashed potatoes at a party. Part of a larger expression of derision.
"Shit... if I knew it was going to be THAT kind of party, I would have stuck my dick in the mashed potatoes!"
by Joshimo June 02, 2006

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n. (sg. and coll.) an homosexual white male who is sexually attracted exclusively to other white males (usu. to the exclusion of Asian males). Cf. Sticky Rice, Potato Queen, Rice Queen
I don't understand why Daoqing hangs around with those racist German fags, he's never going get any of that mashed potato with his Chinese sausage.
by assarakh June 24, 2003

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Under the influence of drugs, in an altered state of awareness.
Did you see Pauline and Christopher last night? They were mashed potato!
by itsmine August 24, 2011

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Noun: a term for a light-skinned woman's breasts that describes their firmness; soft, lumpy.
"The first time I got to second base I wasn't ready for her mashed potatoes."
by Yoyomaaa June 23, 2014

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Mashed Potatoes means to take a sledge hammer to a paraplegic ( missing all their limbs) smashing them to a pulp and then proceeding in having sexual intercourse with the mushy remains.
A man this morning was just arrested for mashed potatoeing* a former war veteran in an airport bathroom. *Mashed Potatoes
by Herardo May 24, 2016

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people who sit on the couch for more then 4 consecutive hours while they fail out of school, mold over dishes, and play farmville.
My roommate is such a mashed potato that her computer charger burnt out from 16 straight hours of gilmore girls.
by squirrellswin December 12, 2009

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A Smashing pumpkins box set that was given to Billy Corgan's closest friends. It has 77 unreleased songs; some from the radio, some live, and some just plainly never heard!
Whoa, I am getting the Box set "Mashed Potatoes". I can't wait. I love the smashing pumpkins!!!!! Billy Corgan, YOU ARE MY HEREO!
by Billy Corgan April 25, 2006

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