put my life on the line Share definition Flag (usually yours) it's like literally risking your life to do something extremely crucial. If my prank made the Alien to destroy the Earth, then I'd put my life on the line to save it. put my life on the line by Bronze Scurbe December 5, 2016 0 0 Get merch Get the put my life on the line mug. Buy Now — $32.95 See more merch
