English Reference
Idiom idiom

piss like a racehorse

Vulgar

To urinate profusely, especially in reference to a profound need to do so.

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

I need to stop; I have to piss like a racehorse.

She drinks too much coffee and always has to piss like a racehorse.

You will piss like a racehorse if you drink that giant bottle of water.

CONTEXTUAL

After drinking two liters of water during the long drive, I really need to piss like a racehorse.

He drank three large beers during the movie and now he has to piss like a racehorse before the bus arrives.

The hikers finally reached the campsite and immediately looked for a private spot because they all had to piss like a racehorse.

COMPLEX

Following the lengthy lecture, the students rushed to the restrooms, all needing to piss like a racehorse.


The expression is an emphatic variation of the earlier piss like a horse, a comparison necessitated by the biological reality that a horse produces a significant volume of urine roughly every four hours. The addition of the racehorse provides a specific, if no more productive, equine image to the long-standing observation of the animal's urinary capacity.


Related idioms8entries
  1. 01

    and the like

    And other similar items; et cetera.

  2. 02

    be like

    To say.

  3. 03

    Brahms

    [Cockney slang]pissed

  4. 04

    built like a brick outhouse

    Synonym of built like a brick shithouse.

  5. 05

    built like a brick shipyard

    Synonym of built like a brick shithouse.

  6. 06

    built like a brick shithouse

    Of a man, having a muscular body, particularly with well-developed muscles of the chest, arms and abdominals.

  7. 07

    cat piss

    Any beverage of low quality.

  8. 08

    do someone like that

    to treat someone in a negative manner

Last updated August 10, 2026