Definition of "piss off" in English

Verb

1. To leave, to go away. .mw-parser-output .defdate{font-size:smaller}

   • They've pissed off and left us in the lurch!
   • Why don't you piss off and leave us alone?

2. To annoy, anger.

   • What really pisses me off about my job is that I have to get up at six o'clock.

Interjection

1. Go away!

   • Piss off, pal! This is my work table and yours is in the corner.