Keytarist Share definition Flag (Noun) A player of the keytar. Statistically, the least likely member of the band to get laid, even after the sound guy. That keytarist is epic. I dub him the finger wizard master!!! Keytarist by crispy4297 February 4, 2010 0 0 Get merch Get the Keytarist mug. Buy Now — $32.95 See more merch