plural poos
1
informal
: feces
It will please me no end to read about someone booked for leaving his dog's poo on a pavement or in some other public place.—Alan John
Cameron Diaz writes in The Body Book about inspecting your poo to monitor your health.—Lisa Freedman
2
informal
: the act of defecating
Kate has a giant Great Dane she brings everywhere. It takes a poo on Carly's floor.—Ty Burr
pooed; pooing; poos
informal
: defecate
An Australian couple found themselves upstaged during their own wedding by their 3-year-old son, who interrupted the ceremony to announce: "I have to poo."—Ben Hooper
When proper citizens of Rome were lowering their bottoms onto indoor toilet seats, my ancestors were using the woods to do their business. I suspect they just squatted and pooed without the benefit of a hole.—Jim Jones
ˌpü,
ˈpü
US, informal
—used to suggest that something is small, unimportant, or childish in some way
cutesy-poo
Cite this Entry
“Poo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/poo. Accessed 29 Sep. 2026.
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