Cold Slither Share definition Flag The musical band formed by Cobra comrades in the "G.I. Joe" cartoon to hypnotize their listeners and turn them to evil. "Cold Slither, you'll be joing us soon. A band of vipers playin' a tune." Cold Slither by Todd Weberlinski December 13, 2003 0 0 Get merch Get the Cold Slither mug. Buy Now — $32.95 See more merch