An annoying little (fictive) being that makes life especialy difficult for Croquet players as well as all life forms in general. The Gnatt is also very short tempered (see: hockey-temper) and can bite and claw any innocent passer-by to death. No gnatts have been properly documented, but they can resemble an angry lepricorn. Can also be used as a word for anything negative or as an insult.
word to describe someone who doesn't know how to take care of themselves. Either their hair is nappy, their pits stink, their clothes are dirty with stains, or all of the above; A nasty person able to attract gnats.
This dude came in today lookin' real gnatty. He stank like booty, his teeth looked like he brushed them with butter, and his hair looked like he just got outta bed.