Herb Grahm Share definition Flag A sexual act involving an old black man checking your parking pass, and then fucking you in the back of his caddy. We Herb Grahmed in the back of my caddy twice last night Herb Grahm by nateef ron December 22, 2009 0 0 Get merch Get the Herb Grahm mug. Buy Now — $32.95 See more merch