Top Definition
Performing anal sex whilst using mashed potatoes as lubricant.
Guy 1: I didn't have any lube last night, so I used my leftover mash taters.

Guy 2: A Mashed Potato Butt Fuck? Is that safe?

Guy 1: Sure.
by Xzurii December 12, 2009
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.