BAMeth Share definition Flag Ye Olde English version of "BAM!", an exclamation of a significant event. Coaches and fans, from sideline: "Shoot! Shoot!" Player shoots - Goal! Player, pumping fist: "BAMETH!!" BAMeth by Coach_Ben June 9, 2009 0 0 Get merch Get the BAMeth mug. Buy Now — $32.95 See more merch