the act of putting something off (usually skipping a class) to go masturbate
Friend 1: "dude where were you? there was a math test that was 90% of our grade!"
Friend 2: "Oh I was slacking and jacking"
Friend 1: "oh ok that makes sense"
(v) when a person snaps a picture of themselves from the eyebrows up
Jordan always jack snaps Caroline when he is sad.
A PEDIFILE, leave me alone bitch!
jack <3:let me eat yo ass
me: FUCK OFF!
A PEDOFILE, leave me alone bitch.
signed Lucius
jack <3: let me eat yo ass
me: fuck off!
The name you give yourself when you see that your penis is at least 8 inches long.
Hey man, my dick is 8 inches long, so just call me "Jack King Koff"
his capability to rizz up girls in spanish
damn bro you've eaten more than jack marles spanish rizz
You screwed up.
You can clap the Jack by saying your a flat earther on the first date. Learned from experience.