חפשו מילה כלשהי, כמו donkey punch:
 
1.
to crush ones testicles
"Ouch bollocks!, i just sat down funny and mashed my potatoes"
מאת Dan D 29 ביוני, 2005
 
2.
Meaning a man and a woman that are white and are exchanging their liquids until it looks like mashed potatoes.
Sally made mash potatoes last night with Jim.
מאת sillywilly1313 18 ביוני, 2014
 
3.
Mashed potato means to masturbate.
He's mash potatoing in his room!

What the fuck, did you mash potato yourself?
מאת Dina7282837282837jh 11 בנובמבר, 2007
 
4.
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
safe kids, i've got to go, mash potata - see ya lata
מאת maximus tentius 20 באפריל, 2004