piss off

to piss off

  1. To go away, rude:
    Brother: How are you this morning? *ironicly* Enjoy yourself last night?
    Me (hung over):*genuinely* Piss Off!
  2. to anger someone
    Don't piss off the cook, he'll shit in your pie!
    or
    Stop telling that bouncer where he went wrong in life, you're pissing him off, he weighs 20 stone and looks like he eats little children for breakfast!