nonnenmacher Share definition Flag 1. an enormous dump, crap, shit, or any type of large waste coming out of the anus or ass. 1. Dude i took the biggest nonnenmacher the other day, you should of seen it, It was 3 feet long and had a 10 inch radius. nonnenmacher by Jordan Nonnenmacher February 23, 2008 0 0 Get merch Get the nonnenmacher mug. Buy Now — $32.95 See more merch