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Synonyms

poo

American  
[poo] / pu /

noun

Slang.
poos plural
  1. excrement.


verb (used without object)

Slang.
pooed, pooing
  1. to defecate.

poo British  
/ puː /

interjection

  1. another spelling of pooh

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of poo

First recorded in 1955–60; of expressive origin

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"That means we've got evidence of breeding water vole which is brilliant," he continues on the subject of the flattened poo.

From BBC • Jun. 30, 2026

The average adult produces more than a liter of urine and over 100 grams of poo each day.

From Science Daily • Apr. 13, 2026

Dog poo bags are not the only indignity the famous defensive frontier has to endure.

From BBC • Apr. 6, 2026

But that does not stop people using the 1,900-year-old cracks and holes of Hadrian's Wall to hide their dog poo bags.

From BBC • Apr. 6, 2026

The people I’d always chummed around with would stop speaking to you if they so much as suspected you’d ever gone poo behind a bush.

From "The Poisonwood Bible" by Barbara Kingsolver

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