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".
by Chris Macky December 12, 2007
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a dude who is always lifting big things.

when alcohol becomes involved don't go near bro, he will fight u

loves a romp
claims an amateur mui tai fighter would beat Mike Tyson
damn bro is at the gym, he is a total jack jack !!
by kinglegend69 August 23, 2022
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Having huge muscles (i.e. "jacks")
Greg: "Baby, you think I look swole today?"
Tabitha: "Hell yeah, sugar - you are JACKED!"
by Greg's Girl July 14, 2009
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1) ripped

2) stolen

3) loaded with money
1) Man that dude from the gym is totally jacked

2) Yo man! That freak just jacked my wallet!

3) That guy from the bank is jacked, did you see his car?
by k7k June 18, 2008
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A Product made from mixing a bowl of "Apple Jacks" with a can of "coke." This is said to have great effects on your body and increase your testosterone level and get you JACKED.
"Man I love my Jacked-Jacks"

Before using Jacked-Jacks: "I can't lift this church!"

After using Jacked-Jacks: " I CAN LIFT THIS CHURCH!!"

by Anthony Monty May 8, 2007
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