piss it down

== English == === Pronunciation === === Verb === piss it down (third-person singular simple present pisses it down, present participle pissing it down, simple past and past participle pissed it down) (slang, vulgar) To rain heavily; piss down. Synonyms: piss down, tip it down ==== Translations ==== === See also === (rain) like a cow pissing on a flat rock