Top Definition
The coolest superhero from the incredibles
Jackjack has teh b3st p0warz
#incredibles #super #baby #jack #weed
by jackjacklover February 10, 2009
When one leaves his seat and calls jack jack which ultimately reserves that seat for him when he returns. Jack Jack was created long before Tap Tap and Jack Jack actually over rides all claims to tap tap. Originated in the city of Gig Harbor which was founded way before Tacoma.
When you get up, "Jack Jack".
#tap tap #seat back #crunch #garth #mike
by Chris Macky December 11, 2007
Person who is kind & wholesome until pushed over the line. Reference to baby JackJack from "The Incredibles" Movie.
Don't keep pushing him. He's going to go Jack-Jack.

Be careful with him. He's got a Jack-Jack personality
#jac-jac #go postal #go texan #jackjack #snap
by moviedude March 09, 2008
a sneaky little person that works at cybercamps, and is constantly bugging owen about him being an LIT. he wears a stuipd pink ballon around his head, which has headlice.
jack jack is annoying
#annoying #wierd #lice #ballon #cybercamps
by odubcybercamps August 04, 2009
A person that is addicted to starbucks and/or usually calls great people "chu chu"
Someone:That person is so jack jack
#jack jack #person #starbucks #chu chu #people
by asdfasdfasdf October 08, 2006
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