pooh pooh
/ˈpuːˌpuː/
verb
- To dismiss or express contempt for an idea, suggestion, or opinion as unimportant or foolish.
- Don't pooh-pooh her concerns; they are actually very valid.
- He pooh-poohed the warning about the storm, so he was caught in the rain.
- The manager pooh-poohed my idea for a new project without even listening.