Sneezing Turtlehead Share definition Flag The sneezing turlte head is when you have a turlte head, you sneeze making the poop shoot out of you ass landing on the floor. I realized I didn't make it to the bathroom on time when I had a sneezing turtlehead. Sneezing Turtlehead by Jellis4u2 December 13, 2010 Get the Sneezing Turtlehead mug.