To
predict something before
it happens, and subsequently state once the predicition actually occurs. Usually
trivial like a plotline to a film, or a sports result.
Dude 1: Alright
I'm gonna call it now:
Darren's gone and gotten himself a shitty haircut.
Dude 2: OK then.
Darren: Hey guys, like
my new haircut?
Dude 1: Fucking called it!