The act of being stupid. Usually directed towards a member of the opposite sex who is operating a motorized vehicle or grocery cart recklessly. This adjective is pronounced phonetically emphasizing the ‘oo’ sound. The more the emphasis, the more dramatic the statement. Stoopa can also be used for both present and past tense.
It was stoopa.
He is stoopa.
Brothers are stoopa.
Stoopa is a word that you can use instead of stupid.
Co-Co: ha ha, Jack, you're stoopa.
Jack: OOOOoooooooooooo!! Co-Co said stupid!
Co-Co: I no say stupid, i say stoopa!