Used after some sort of contradictory conversational exchange:
Werent you supposed to get drinks for the party?
I ... but I ...
At this point, the speaker pantomines their own head exploding, making explosive noises: KKKKKKKPGGGGHHHH!!!! The other person pantomines jumping out nearest window, making defenestration noises: TSSSSSSSSHHHHH!!!! Team macros, always satisfying.
– Jeff Stendec (October 1, 1997)