O'ing - An O’Ful is a dumb person who thinks they’re funny but they’

An O’Ful is a dumb person who thinks they’re funny but they’re just annoying. They can’t even read a book without making a fool of themselves.

My brother is an O’Ful. He tried to read a book and it was a disaster.

That guy at school is an O’Ful. He told a joke and no one laughed.

My teacher called me an O’Ful for trying to do math in my head.