Someone who says really stupid
things, then decides whether or not he was joking
based upon the reaction of people
around him.
Guy 1: I'd love to visit Africa
Guy 2: what
country?
Guy 1: I just
said, Africa
Guy 2: that's a continent idiot
Guy 1: I... I know that, I was only joking.
Guy 2: you'
re a real schrodinger's idiot