Word parts piss + -er Pronunciation (US) IPA (key): /ˈpɪsɚ/ (UK) IPA (key): /ˈpɪsə(r)/ Audio (AU)(file) Noun Singular pisser Plural pissers (countable) (vulgar) A pisser is someone who pisses. (countable) (US) (vulgar) (slang) A pisser is a toilet or urinal. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads