Saber-Tooth-Brush Share definition Flag A prison shank made from a tempered plastic tooth-brush. It resembles the tooth of a saber-toothed-tiger. "Cause of death?" "Repeated stab wounds from a saber-tooth-brush to the lumbar region." Saber-Tooth-Brush by Mr. Ford December 7, 2009 0 0 Get merch Get the Saber-Tooth-Brush mug. Buy Now — $32.95 See more merch