facterion
A weirdo who thinks random facts are the best thing since sliced bread. They’ll ruin your lunch with facts. Don’t trust them. They might stab you with a fact.
You just interrupted my pizza with a fact about lice. You’re a facterion.
You’re trying to make me crazy with facts. I know you’re a facterion.
Why do you have gloves on? You’re a facterion.