tube scraper Share definition Flag A turd of considerable size. Usually a highfiber one that due to its girth seems to scrape out your poop tube one the way out. Ah, man I took such a tube scraper I could actually see the toilet sweat. tube scraper by Big Dundooley May 14, 2005 0 0 Get merch Get the tube scraper mug. Buy Now — $32.95 See more merch