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1)adj. a state of being connoting a positive feel. synonomous with cool,awesome, bad

2)an overall badass

3)demands the respect, or is to be admired by others
1)that game was fellon!

2)did you see that guy get in a bar fight with twenty equadorian mobsters and take a hit with a bottle to his teeth? yeah, he was fellon.

3)dumping 5000 golf balls in the halls during a passing period for a senior prank: fellon.
by Dasher February 08, 2004