Origin from 'hijacked': as the past-progressive meaning stolen in a violent fashion.
Commonly refers to robbery, theft, misuse, seizure, possesion.
Well muscled, iron-bound, pumped.
"Yesterday I jacked a pack of gum from the mall."
2. "That weightlifter sure is jacked. Too bad he's on steroids."
2. To steal something that does not belong to you.
3. Something that's just really cool or really weird.
2. That kid totally jacked my hairstyle!
HE JACKED MY JACKET!
3. That's soooo jacked!