1 definition by nobodyyoudknow

1. A slang word used instead of the already slang "later". Used to pronounce one's leave or departure.

2. Catchphrase of a guy named Dai.
1. I'm going now, I'll cya laterness.

2. Guy1: You going dude?
Dai: Yeah man.
Guy1: Seeya.
Dai: Laterness.
by nobodyyoudknow July 31, 2006
Get the laterness mug.