No eye-deer. EDIT: I totally messed this joke up. Please give me another chance with another joke
He couldn't take a joke.
Because you cant take a joke.
Well, the mess is the same but the annoying jabbering stops.
Because of his cowlick.
Screw it. EDIT: has a better answer lol
Because they have no i's (plural of i). Edit: eyes. Eyes guys. It's a bad pun.
Professor: Astronomical.
A stretch
No eye deer. Say it fast and with a southern accent for full effect.