piss off

verb
  1. 1

    To leave, to go away.

    โ€œThey've pissed off and left us in the lurch!โ€

  2. 2

    To annoy, anger

    โ€œWhat really pisses me off about my job is that I have to get up at six o'clock.โ€

interjection
  1. 1

    (dismissal) Go away!

Source: https://en.wiktionary.org/wiki/piss%20off