A Calle is when you have so much sex with someone from your class, that it gets extremely awkward, and you have to change school.
To say something before it happen that you predicted would
Girl: im pregnant
Guy: called it
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!
Claiming rights to something. Like calling the last beer in the fridge, or the front seat in a car. Calling shotgun.
There's one beer left in the fridge, I'm calling it!
Yo mofo! Why you drinkin' that beer? I called it!
To call it a day, to end the current task.
Right, I'm going to call it, that's enough for me.
to do something half-assed, not bothering, doing the bare minimum
"i don't even care about that job, i'm more or less calling it in, when i do show up for work" -disgruntled employee
Damn y’all still in the bathroom? Guess imma have to call it in.