Definition of piss someone off in US English:

piss someone off

phrasal verb

vulgar slang
  • Annoy someone.

    annoy, aggravate, irritate, exasperate, anger, irk, vex, put out, nettle, provoke, incense, rile, infuriate, antagonize, get on someone's nerves, rub up the wrong way, make someone's blood boil, ruffle someone's feathers, ruffle, try someone's patience, make someone's hackles rise
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