pooh-pooh is a term that refers to the act of dismissing or belittling something as being unworthy of serious consideration or attention. it can also refer to the act of expressing contempt or disdain for something.
for example, someone might pooh-pooh an idea or suggestion by saying "that's a ridiculous idea" or "that's not worth considering." this can be done in a dismissive or contemptuous tone of voice, and it conveys the idea that the person believes the idea or suggestion is not worth considering or discussing.
another example of pooh-pooh might be someone who dismisses a concern or issue as being insignificant or unimportant. for example, someone might pooh-pooh a concern about climate…