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1.
a general name for any one possum

etiology:
Homer calls the big possum living in the monorail conductor's cabin closet "Bitey" in Marge vs. the Monorail (Season 4 Episode 12)
from Wikipedia:
Homer: (on a family of opossums in the monorail) I call the big one "Bitey." (Matt Groening has said this is his favorite Simpsons line ever, written by Conan O'Brien)
by las March 21, 2006
 
2.
another word for spicy, or when something has a "bite" too it
Damn, these wings are bitey.
by m.a.n. July 08, 2013
 
3.
when one gets the urge to bite, nip, chomp, or nibble on something or someone.
Bill is very bitey today.
by Apathetic_Angel September 25, 2006
 
4.
When somebody is not a happy chappy.
Hmm, Bob's a bit bitey today, better stay away.
by John Doe April 20, 2004
 
5.
Name for a psychotic cat that bites and slashes people, especially old men that are petting it.
Bitey was a psychotic little hellcat. He was the Pat Buchanan of all cats.
by jesse radin September 10, 2006
 
6.
A subgrouping in fandom that derives emotional or sexual gratification from reading stories, fantasizing about, or writing fanfiction involving impotent, emo characters with cosmetic vampiric traits who are otherwise indistinguishable from pulp romance novel love interests.

Ironically, biteys get to enjoy very little actual biting of their heroines, relying instead on the infinitely drawn out foreplay of teen angst to get their juices going.

Related: see furry
Rumors of a new MMO based on Stephenie Meyer's "Twilight" series left biteys everywhere salivating at the opportunity to immerse themselves in Forks, WA with other like-minded fans.
by spoonwa July 28, 2009