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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In new york this means to claim something that you believe is true
"Jaylin stole huh from Lil Uzi, im jacking it"
by MarcoBenzolo November 24, 2016
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"Why am I so jacked" is used by males who work out or/ and li heavy weights to describe their muscles , or ideas they have a great build.
(as Mason looks at himself in the mirror while flexing)
"Why am I so Jacked?"
His friends response is " that gym membership is paying off"
by Crissygirl March 7, 2012
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