Kakaaduu - A word that people use to cover up the fact that they have n

A word that people use to cover up the fact that they have no idea what they’re talking about and just want to sound smart

I said my pet frog was Kakaaduu because I didn’t know what else to call it.

She called my math problem Kakaaduu because she didn’t want to solve it.

He said the whole day was Kakaaduu because he was too tired to think straight.