stewin' poop Share definition Flag Phrase used to define intestinal gurgling and rumblings. Often followed by a propt trip to the toilet to unload said "stew". Damn Homie...I've been stewin' poop all day. Where's your bathroom? stewin' poop by Tuna810 August 10, 2010 0 0 Get merch Get the stewin' poop mug. Buy Now — $32.95 See more merch