finished, ended, came, had an orgasm, graduated from (school)
Не успел начать, а уже кончил?
You haven't even started, and you're already finished?
— ПиКей (2014)
Этот идиот кончил, пока одевал презерватив.
This idiot came while putting on a condom.
— И твою маму тоже (2001)