a substance sold as an illegal drug that is actually fake US, 1994
2.verb
1
to steal US, 1996.
2
in Internet game-playing, to 'kill' a player, especially unfairly. Also used as a noun UK, 2003
gank (something)
slang To steal or seize something. Hey man, don't just gank my headphones—ask me if you want to use them.I heard she got arrested for ganking a lipstick from the corner store.