1 definition by Speedemonic

JK

An acronym for "Just kidding" that's used as a shortcut, due to it being a common phrase used in texting. Sometimes, anti-social people on messaging boards use it at the end of their sentence after stating their opinion, or trying to roast someone because they expect someone to get triggered.

Person: One time, I went to McDonald's on Black Friday without realizing, and shit was insane man!
Person2: Holy shit! Really?
Person: Nah.

Bob: Leafy is kinda retarded. jk
Eric: u better be jokin you fucking faggot. kys

by Speedemonic August 19, 2016