Said in reference to sneaking up behind someone and humping them in the butt. Giving them ur mashed potatoes means to ejaculate in said person's anus. This is enjoyed by gay men and extremely slutty/kinky girls.
by dont worry about it February 12, 2005

n. A starchy fictional food, looks like glue, or diarrhea. In fiction, it is manifestly made from mashing potatoes (peeled or unpeeled), or sometimes baked, potatoes with a ricer, fork or potato masher.
In real life, it is not possible to mash a potato.
See also Wonka Bar.
In real life, it is not possible to mash a potato.
See also Wonka Bar.
by Some wise guy aha! August 16, 2009

by Russell H May 24, 2007

by Dina7282837282837jh December 5, 2007

Meaning a man and a woman that are white and are exchanging their liquids until it looks like mashed potatoes.
by sillywilly1313 June 18, 2014

to say good bye or see you at a later period in the day (when you leave,depart from a place, dwelling or any other area which you frequent with your friends, brothers, sisters, gang, crew, or homies) n.b. can be shortened to mash or used with any other kind of potato e.g. jacket/boiled/baked/roast/sweet potatoes
by maximus tentius April 20, 2004
