Poo poo is defined as to dismiss an idea or suggestion.(verb)
An example of poo poo is when someone invites coworkers to a bar but another person says the idea is no good.
The definition of poo poo is a children’s word for poop or excrement.(noun)
An example of poo poo is what a child sometimes has in their diaper.
See poo-poo in Webster's New World College Dictionary
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