poo

Etymology 1

See pooh.

noun

1. Alternative spelling of pooh: an instance of saying "poo".
2. (uncountable, childish) Feces.
   Poo... feces. 1960, Harold Wentworth et al., Dictionary of American Slang, page 401
   Wherever legitimate tracks are found there's always some fresh scat, y'know, poo, flop, dumplings. 2018, Brent Butt, “Sasquatch Your Language”, in Corner Gas Animated
3. (countable, chiefly UK, childish) A piece of feces or an act of defecation.
   That doggy's doing a poo. June 22 1981, The Guardian, p. 8
4. (uncountable, slang) Cannabis resin.

verb

1. Alternative spelling of pooh: to say "poo".
2. (intransitive, childish) To defecate.
   The dog practically has to poo on his shoe before he can make the pinch. July 6 1975, C. James, Observer, page 23
3. (transitive, childish) To dirty something with feces.
   Most babies I knew then had on introduction either howled or pooed their pants. Dec 11 1989, The Mercury
   We all know what happened to them—they... poohed their pants. March 13 2003, The Sun

intj

1. Alternative spelling of pooh: Expressing dismissal, disgust, etc.
2. (euphemistic) Expressing annoyance, frustration, etc.: a minced oath for 'shit'.
   Petulant and pouty, Stephanie herself says things like, ‘Oh, poo.’ January 12 1986, Chicago Tribune, page 3c

Etymology 2

Clipping of shampoo.

noun

1. (slang) Clipping of shampoo.
   Why I Cut Down on the “Poo”: A Note from Melissa […] People are saying no to “poo”—shampoo, that is. A very famous hairstylist to the stars (who has gorgeous hair himself) admits that he never washes his hair with shampoo. He’s not the only one to swear by the no-poo approach. 2012, Melissa Schweiger, Belli Beautiful: The Essential Guide to the Safest Health and Beauty Products for Pregnancy, Mom, and Baby, Da Capo Press
2. (slang) Champagne.
   Who wants another glass of poo?

Etymology 3

From poodle.

noun

1. 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, Sandra Choron, Harry Choron, Planet Dog: A Doglopedia, Houghton Mifflin Company, page 211
   There’s no club for Maltipoo breeders yet, so your best bet is to look for a breeder of other Poo dogs. 2005, Margaret H. Bonham, The Complete Idiot’s Guide to Designer Dogs, Alpha Books, page 88
   My sister has always wanted a little peekapoo, probably because they are kind of prissy, like she is. Personally, I never much cared for poo dogs of any kind, especially poodles. White french poodles are the worst. 2007, Renee Riva, Saving Sailor, David C. Cook, page 64
   And I looked at what I call the “poo” dogs, the currently fashionable/popular combos of cockapoo, yor-kiepoo, maltipoo, and a whole bunch of other “poos” that seemed unpredictable to me as to how big they would be, and what traits they would have of either breed. 2013, Danielle Steel, Pure Joy, Transworld Publishers
   ‘What kind of dog is Eddie?’ I asked curiously. ‘He’s a Westiepoo.’ ‘A what?’ ‘Westiepoo,’ repeated Nikki, ‘a West Highland White Terrier/Poodle mix. I’m pretty much obsessed with poos.’ ‘We have plenty of that round here,’ I said, ‘so you’ve come to the right place.’ ‘You might have worded that better, Nikki,’ said Max and she laughed. ‘I’m obsessed with poodle hybrids,’ Nikki explained. 2014, Sheila Agnew, Evie Brooks in Central Park Showdown, Dublin: The O’Brien Press, page 87
   She kept the bookmarks firmly on the “poo” dogs. “Come on! Just look. They’re irresistible!” She kept scrolling through sites for Maltipoos, Shih-poos and Yorkipoos. 2017, Teresa Toten, Beware That Girl, Hot Key Books, Bonnier Zaffre Ltd
   Then this family came in who wanted one of those fancy poo dogs and the woman wanted to dress it up and carry it around in her purse and I...I just... 2019, Miranda Liasson, All I Want for Christmas Is You, Forever, Hachette Book Group