He has a severe 'overbite'.
(..) The Big Bang Theory... Oh, look at all that chest hair. And overbite. Of course you're a Wolowitz. Son of a bitch, he bit me. Okay, I guess I'll just go to the emergency room to be safe. Howie, this is just your hypochondria. When I sat on the mute button and thought I'd gone deaf, (..)2016 TvShow: The Big Bang Theory Title: The Positive Negative Reaction Season: 9 Episode 16