Beaver Nibbler's definitions
Refers to a man who masturbates exclusively and excessively with only one hand giving him an overly muscled forearm and bicep on only one side.
I could tell that fiddler crab was right handed because one arm looked like Mike Tyson and the other like Steve Urkell.
by Beaver Nibbler July 7, 2011
Get the Fiddler Crab mug.