" Some truly terrible things indeed. He started with a sweaty sock And a rotten tooth from an angry croc. He added a slug to make it slimy, The medicine turned grey and grimy. In there was a lot of stuff, Something looked like mouldy fluff. To this he added a pinch of snot, Plus some toenail clippings to the pot. The potion "

― , Revolting Rhymers: Competition Winners