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.

To call it a day, to end the current task.

To say something will happen before it happens.

When a mobster gets called for from his crew to be executed because he betrayed the family or vouched for an fbi informant

Final decision based on value judgement, "the last word". Please note that this is rarely used without a possessive pronoun preceding it.

To predict something a while before it happens, and then be credited for it.

To make fun of or to bring attention to one's faux pas.