Top Definition
While having sex the guy does jumping jacks while still inside. Very hard to do a lot of training but well worth it.
Matt was so amazing when he Jumping Jack Sacked me last night
by Hairy Flounder November 03, 2008
8 Words related to Jumping Jack Sack

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.