plural poos
Definition of poo
(Entry 1 of 3)
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
poo
verb
pooed; pooing; poos
Definition of poo (Entry 2 of 3)
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
-poo
suffix
\ ˌpü, ˈpü \
Definition of -poo (Entry 3 of 3)
US, informal
—used to suggest that something is small, unimportant, or childish in some way cutesy-poo
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Merriam-Webster unabridged
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Time Traveler for poo
The first known use of poo was circa 1960
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