piss like a racehorse

== English == === Etymology === An emphatic form of the earlier expression piss like a horse, due to the great volume of urine produced by horses every four hours or so. === Pronunciation === === Verb === piss like a racehorse (third-person singular simple present pisses like a racehorse, present participle pissing like a racehorse, simple past and past participle pissed like a racehorse) (vulgar, idiomatic) To urinate profusely, especially in reference to a profound need to do so. Synonyms: piss like a horse, piss like a Russian racehorse ==== Hypernyms ==== See Thesaurus:urinate ==== Related terms ==== horse piss work like a horse, eat like a horse ==== See also ==== stale (to urinate, used of horses and cattle) my back teeth are floating === References === David Sessions, "Does a Racehorse Pee Like a Racehorse?" Slate, 8 June 2007. "The Origin of the Expression 'Piss Like a Racehorse'", Today I Found Out, 21 July 2015.