1. (Noun) A collar that would choke the wearer if the leash was pulled by master or pet.
2. (Noun) Any necklace with less than 1cm of slack, usually worn by emo kids with all sorts of studs and spikes on them.
1. Man this bitch I was dating for like 3 weeks invites me back to her house to get our freak on but then she pulls out this choker I freaked out. The chastity belt was enough!
2. Christ, I've seen chunkies in my puke that look better than that emo kid with the choker over there.