Top Definition
The act of pacing the room while masturbating, often characterized by bumping into furniture the closer you get to climax. Usually done late at night by insomniacs and results in a high amount of random bruising.
"Every night at like 3am we can hear his floorboards squeaking as he walks around. He must be masturpacing."
by MsMufffin November 11, 2011

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.

×