Entry 1 sense Webster, 1913 Pooh-pooh · Pooh·-pooh · IPA /ˈpuˈpu/ 01 v. t. To make light of; to treat with derision or contempt, as if by saying pooh! pooh! 1. To make light of; to treat with derision or contempt, as if by saying pooh! pooh![Colloq.]