The senior critics tended to pooh-pooh the young artist's experimental techniques, calling them mere novelties.

She pooh-poohs every suggestion as impractical, even those that have merit.

When I suggested we invest in the startup, several senior partners pooh-poohed the idea before even looking at the projections.

The scientists were frustrated by journalists pooh-poohing their climate data as alarmist.

Despite its critics, the pooh-pooh theory still attracts interest among linguists who study the emotional origins of speech.