Noun

1. A stringed musical instrument with a round body and fretted neck, played by plucking or strumming the strings.

   I come from Alabama with my banjo on my knee ...

Verb

1. To play the banjo
2. To beat; to knock down
   • 1989, Susan S. M. Edwards, Policing 'domestic' Violence: Women, the Law and the State, page 95

     Admitting the assault, the husband said that he had given her a 'banjoing' but that she had asked for it.

   • 1998, "Fergie's world just gets Madar."(Sport), Sunday Mailm Jan 4, 1998

     Madar was turfed out on a final misdemeanour of banjoing one of his teammates in training before a big game

   • 2007, "Return of Smeato, the extraordinary hero", Times Online, Jul 31, 2007

     "Me and other folk were just trying to get the boot in and some other guy banjoed [decked] him”.