Definitions by Gaviidae

duked a fin 

To leave someone, such as a waitperson, a $100 bill as tip for providing you with outstanding service. Usually given to sexy young cocktail waitresses by up and coming gentlemen to show off their wealth and stature.

Did you get the usual tip from the Sinatra table? Yeah, Frank duked a fin.

duked a fin by Gaviidae March 31, 2008