Synonyms

poo

American

[poo] / pu /

noun

Slang.

excrement.

verb (used without object)

Slang.

pooed, pooing

to defecate.

poo British

/ puː /

interjection

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

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.

The couple have documented the "mammoth renovation" project on their Channel 4 show and said the "biggest curve ball" they encountered so far was dealing with bird poo and dry rot.

From BBC • Apr. 17, 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

I live every day in old clothes and no make=up, covered in animal poo.

From BBC • Mar. 7, 2026

You will receive a home test kit to help gather a poo sample which you send back to be analysed.

From BBC • Feb. 12, 2026

And I could smell their poo, and it was different from the smell of the poo that I smelled in the toilet when I went in there.

From "The Curious Incident of the Dog in the Night-Time" by Mark Haddon

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

poo