Turdtle Theorem Share definition Flag The theory that when pooping, you are killing turtles. The butt is the shell, and the turd is the turtle. The Turdtle Theorem says that I'm killing turtles! I'm going to stop pooping! Turdtle Theorem by Professor Killaa' February 24, 2015 0 0 Get merch Get the Turdtle Theorem mug. Buy Now — $32.95 See more merch