It is when a women engages in the act of jumping directly on top of a man's erect penis with no warning. This is a very dangerous maneuver, so take heed.
Tom: Fuck dude, my dick hurts from last night.
Captain America: Why Tom?
Tom: My bitch gave me a jumpjob last night.
Captain America: I would ice that shit if I were you nigga.
by suckmynutss September 14, 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.

×