Crouton Slit Share definition Flag Woman who has had a bad case of thrush for so long without seeking any medical attention. I heard she had a Crouton Slit. Oh thats sick! Crouton Slit by Demonshock February 21, 2009 0 0 Get merch Get the Crouton Slit mug. Buy Now — $32.95 See more merch