What's on your mug?

A Jack is an absolute dickhead. He thinks he is always right, when he isn’t. However, he makes an alright friend, because of his sense of dark humour.

Jack, that’s illegal

By Scoobitywhapbap

An abbreviation for hijack; to steal, or to take something you are not supposed to take.

Victim: What happened to the book I was reading? It was right here on my desk. Sidekick: Somebody 'jacked it.

By semantic historian

street ass nigga from the hood

"ayo Jack! how many side hoes you got now?" Jack: ¯\_(ツ)_/¯

By ugly hoe

A short blonde who can be a jerk but can also can be the nicest guy ever when you need him if you meet a jack don't let him go

Jack is the best guy ever

By Grace c123

A guy who is a totally obsessive Virgin who will stop at nothing for a girl to touch him. Be careful, if you start to talk to him it's hard to get away from his latch.

Girl 1: I met this guy last night he wouldn't leave me alone Girl 2: oh sounds like a jack

By Sassy Sally