F.K.I.A.
A person who thinks they’re the smartest in the room and won’t stop telling you they’re right.
My cousin F. K. I. A. told me the sky was green before I even opened my mouth.
At the dinner table, my dad F. K. I. A. corrected my mom about the weather forecast.
My teacher F. K. I. A. gave me a D for spelling 'because' wrong.