(now vulgar slang, usually uncountable) Urine. / (vulgar, slang, countable) The act of urinating. / (vulgar, slang, countable and uncountable) Alcoholic beverage, especially of inferior quality.

(mildly vulgar) Expresses anger, disappointment or dissatisfaction.

(intransitive, mildly vulgar) To urinate. / (transitive, mildly vulgar) To discharge as or with the urine. / (transitive, chiefly Britain, mildly vulgar) To achieve easily.

(Britain, slang, vulgar) Drinking alcoholic beverages to excess.

(colloquial, mildly vulgar, slang, idiomatic) To show complete contempt for someone or something.

(UK, Ireland, Australia, New Zealand, South Africa, Canada, colloquial) Drunk. / (US, Canada, mildly vulgar, colloquial) Annoyed, angry.

simple past tense and past participle of piss

present participle of piss

(vulgar, slang) Used to express dislike of or annoyance towards the thing mentioned.

(vulgar) An act of urination.