|1.||Absolute Theorem of J/K|
Theorem stating that there is some truth to every "j/k."
Every time somebody claims to be joking, one knows that part (if not all) of what they say is actually true.
(the Absolute Theorem of J/K in practice)
Person 1: Hey, man. what are you doing?
Person 2: Talking crap about you to other people and being the most hypocritical friend in the world. j/k. Not much.