A freakish row of teeth that, like a unibrow, seems to consist of a single mass of unbroken, tooth-like substance when a person smiles. Akin to a mouthguard made with a single, gigantic tooth.
I am sick of seeing Tiger Woods and his ridiculous unitooth on TV all the time.
by swagv January 07, 2010
When one of your front teeth is freakishly alligned with your septum.
Check out Tom Cruise and his fugly unitooth!
by BZuul July 19, 2007