8
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
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
9
when one ejaculates in another's anus, and then they fist the load as far in as possible.
anal intercourse with johnny is so good, especially when he gives me mashed potatoes
by jeremyspearout January 10, 2007
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
10
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
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
11
When your grandma gives you a blowjob while you take out the trash and her tits sag so low that your dick falls in her ass.
My Mashed Potatoes were mashed good
by i suck dicks mmmmmmm tasty December 26, 2008
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
12
When a male mashes his full genitalia into a females vagina, completely enveloping it. We're talking penis and balls all in there.
Man, last night I mashed potatoed your mom and I couldn't get it back out!
by IllestStreetBrawla November 24, 2006
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
13
Refers to the state of mind one enters upon smoking wayyyy to much weed.

A euphoric feeling that warms the soul, induced strickly by some fuzzy haze, or fluffy diesel.
"Shitttt man I smoked so much last night I was like a lump of mashed potatoes!"

"Mashed Potatoes anyone??"

"Yooo I cant feel my legs...im mashed potatoes right now son!"
by Jrockwhc76 May 13, 2009
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug
14
Cum basically. It came about when Lindsay was makeing a certain hand motion when saying the words "Mashed Potatoes" since that moment it has been witnessed and understood but many of Massapequa's youth and a Mall security guard.
Brittney-You eat mashed potatoes today Christa?
Christa-No but maybe next tuesday. You have any lately?
Britteney-*Laughing*
by The Onion February 12, 2005
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug