Definitions by Gabe Hall

kthxbai 

K Thanks goodbye

kthxbai can also be used as an insult to someone, like a n00b or someone you just don't like.

N00b1: omg liek u wana c my fab nu jurnal?
Dude: No, you make me sick n00b Kthxbai

kthxbai by Gabe Hall July 5, 2005