Top Definition
The act of inverting the male genetialia such that one can receive fellatio while defecating on a females chest.
Gary preformed the nearly impossible act of the rumpylumpkin as he twisted his junk upside down and fired a hot steamer on Megans chest, while receiving a tremendous blowjob
by Farcus August 30, 2007

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×