How do you spell foopah meaning mistake?

There is no word "foopah" meaning mistake in the English language.

It sounds like a made-up word or slang. If you're looking for a more common word to describe a mistake, try:

* Error

* Blunder

* Mistake

* Flaw

* Slip-up

* Mishap

Let me know if you have another word in mind and I'll do my best to help you find the correct spelling!