pooh-pooh - definition and synonyms

verb [transitive] informal 

Your browser doesn’t support HTML5 audio

present tense
I/you/we/theypooh-pooh
he/she/itpooh-poohs
present participlepooh-poohing
past tensepooh-poohed
past participlepooh-poohed
  1. to say that you think something such as an idea or statement should not be considered seriously or is not true