2. Stole (v., past tense)
3. Ridiculously muscular (adj.)
4. Ridiculously rich (adj.)
3 & 4: Being jacked makes him jacked squared; people pay him for being sexy! The beauty of steroids.
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."