fiddlin' ben Share definition Flag according to McGloin, in "Gangs of New York" -- a fella so low he's willing to do anything, including selling dead bodies. Amsterdam (Leonardo DiCaprio) is nothing but a fiddlin' ben. fiddlin' ben by goat78 December 3, 2009 0 0 Get merch Get the fiddlin' ben mug. Buy Now — $32.95 See more merch