Top Definition
The same as rubbing one out which is simply masturbation. However, Rubbing On Up is exclusive to male masturbation and accentuates the process vs. the end result.
Justin is a constantly watching porn and finds his hands busy Rubbing One Up.
by Phil M. Deeper July 03, 2009

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.

×