Jackjack

The coolest superhero from the incredibles

Jackjack has teh b3st p0warz

by jackjacklover February 10, 2009

JackJack

A little piece of crap (usually Asian) that is very short and likes to eat cats.

JackJack is a piece of crap.

by Jackeiwjejciis January 10, 2019

Flap his JackJack

A specific form of male masturbation where you slap your dick from side to side between each hand until the preg nog is released. (Technique usually hits its usage peak from around December 1st through December 7th.

Dan got so inspired while baking sensually enticing pancakes for breakfast on December 1st that he decided to Flap his JackJack before sitting down to a nice meal.

by DirtyDan8 November 13, 2019

Jackjack

Typically something you call a male with a large Penis.

"Damn dude your really a Jackjack, that's so 6-7 diddy party"

by pmoney08 May 25, 2025