1) yo, dude some fker jacked my car last nite and now i dont hav a ride
2) i'm so jacked for to drive frank's new ford gt
3) look at that guy, his muscles are totally jacked
4) i jacked off last nite watchin porn on the internet
1. Someone who is extremely strong & muscular.
2. To steal something that does not belong to you.
3. Something that's just really cool or really weird.