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also pooh, baby-talk for "excrement," 1950s (cf. poop (n.2)).
A mild exclamation of disbelief, dismay, disappointment, etc: Oh poo, I dropped it (1602+)
Excrement; do, poo-poo •Along with poop, this is a euphemism used by and to children: Zoo Poo garden fertilizer is made from the waste of all manner of exotic creatures (1950s+)
cutesy-poo, hot poo, icky