Term generally used to describe shocking filth usually obtained from a certain file sharing network. Most likely German, most likey inclusive of faeces. Common source, Unit 23.
When you're a tween stuck with your family in Disneyland in Cars Land and you seriously need to nut, so you stick your meaty-ass, prepubescent dick inside Mater's rusty old exhaust pipe, and he makes nut so fast that your mum almost doesn't catch you with your dick out in Disneyland.