'Pooh-pooh' definitions:

Definition of 'pooh-pooh'

(from WordNet)
verb
Express contempt about
verb
Reject with contempt; "She spurned his advances" [syn: reject, spurn, freeze off, scorn, pooh-pooh, disdain, turn down]

Definition of 'Pooh-pooh'

From: GCIDE
  • Pooh-pooh \Pooh`-pooh"\, v. t. To make light of; to treat with derision or contempt, as if by saying pooh! pooh! [Colloq.] --Thackeray. [1913 Webster]