poo

noun7

1. •
   (informal) Feces.

   • Wherever legitimate tracks are found there's always some fresh scat, y'know, poo, flop, dumplings. — 2018
2. •
   (UK, informal) A piece of feces or an act of defecation.

   • That doggy's doing a poo. — 1981
3. •
   (informal) A poodle crossbreed.

   • To date, the only Poos who have received any serious attention from the AKC are the Labradoodle (Labrador Retriever and Poodle) and the Cockapoo (Cocker Spaniel and Poodle). — 2005
4. •
   (slang) Champagne.

   • Who wants another glass of poo?
5. •
   (slang) Clipping of shampoo.
6. •
   (Internet, offensive) A person of South Asian ancestry.
7. •
   (slang) Cannabis resin.

verb2

1. •
   (informal) To defecate.

   • The dog practically has to poo on his shoe before he can make the pinch. — 1975
2. •
   (informal) To dirty something with feces.

   • Most babies I knew then had on introduction either howled or pooed their pants. — 1989

exclamation1

1. •
   (informal, euphemistic) Expressing annoyance, frustration, etc.: a minced oath for 'shit'.

   • Petulant and pouty, Stephanie herself says things like, ‘Oh, poo.’ — 1986

noun1

1. •
   (historical) Initialism of post-office order.

   • Thank Papa very much for the P.O.O. which I got cashed without difficulty. — 1856