'pissed off' definitions:

Definition of 'pissed off'

(from WordNet)
adjective
Aroused to impatience or anger; "made an irritated gesture"; "feeling nettled from the constant teasing"; "peeved about being left out"; "felt really pissed at her snootiness"; "riled no end by his lies"; "roiled by the delay" [syn: annoyed, irritated, miffed, nettled, peeved, pissed, pissed off, riled, roiled, steamed, stung]

Definition of 'pissed off'

From: GCIDE
  • pissed \pissed\, pissed off \pissed off\, a. Angered or very annoyed. [vulgar] [PJC]

Synonyms of 'pissed off'

From: Moby Thesaurus

Words containing 'pissed off'