piss off

US /pɪs ɑːf/
UK /pɪs ɑːf/
"piss off" picture
1.

to annoy someone very much

:
It really pisses me off when people don't listen.
His constant complaining began to piss off everyone in the room.
2.

to leave or go away, often in an abrupt or angry manner

:
He told them to piss off and leave him alone.
I'm going to piss off now, I've had enough of this.