Top Definition
When equips "Hulk Hands" (batteries installed to produce factory noises) and the proceeds to masturbate.

Also see: smashturbating
I heard my twelve year old super smashturbating from down the hall.
by The Powerhouse May 07, 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.

×