Top Definition
When you whack off in the car while your mom is in the supermarket shopping.
Hey,I saw Zak in the supermarket parking lot doing the ol' Super Market Monkey Slapper! And he smiled at me, that sick fucker!
by ben de la cruz March 30, 2005
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.

×