Gubbertush

One who possesses buck teeth, particularly large, uneven and protruding horsey-looking teeth.

Alternately, a pair of fang-like eye teeth, protrusive as in a vampire.

Tushes is a term for tusks. Tusks are modified teeth used for weapons or defensive purposes as well as for digging, as with elephants and some species of hog.

Sources:

http://www.etymonline.com/index.php?term=gubber-tushed
http://www.urbandictionary.com/define.php?term=Gubbertush

BrevityQuest 2007