Bach-head Share definition Flag A stoner who enjoys listening to classical music when high. "Man, that Concerto for Harpsichord in G Minor is so fucking core. Dig it." "Dude, you're such a Bach-head." Bach-head by MrXcitement April 15, 2008 0 0 Get merch Get the Bach-head mug. Buy Now — $32.95 See more merch