A kind of wordhax0r/word. '2337' meaning Reet, or Retarded, and hax0r meaning, one that pretends to be 1337.
Generally partakes in a number of undesireable activies, such as w411h4x0rz in c0un732572i3k, snip0ring (wordfux0r/word, I got sh0tz0r3d in my nu7z0rz) (word0wned/word), making DOS prompts appear on windows machines ('5up42 2337z0red'), and using IRC.
Generally speaks in horrible enlish, and
generally is in middle school.