Date: circa 1553
1 : a harsh quick ringing sound like that of a plucked banjo string
2 a : nasal speech or resonance b : the characteristic speech of a region, locality, or group of people
3 a : an act of plucking b : pang, twinge
— twangy \ˈtwaŋ-ē\ adjective
Still don't got it?
Just imagine any of the above saying "Fingerrr Leckin' Gooood"