Pabobo
A person who goes from genius to garbage in one sentence, like they were hit by a truck and forgot how to speak.
My neighbor is a pabobo, he said the cat was the president and then tried to give it a speech.
My friend's dad is a pabobo because he said the sun was a pizza and then tried to eat it.
My teacher said I was a pabobo because I asked why the sky is blue and then said it was probably green.