Meaning of poo-poo

poo-poo

Pronunciation: (p'p" for 1, 2 p'p' for 3), [key]
— n. Baby Talk.
  1. excrement; feces.
  2. to defecate.
—v.t., v.i.
  1. pooh-pooh.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.