a poops mcgee Share definition Flag n. A massive error on one's part, usually involving a last second decision that drastically alters the situation. That guy took a bullet for me, and I was wearing a bullet-proof vest...totally a poops mcgee! a poops mcgee by The Jrab December 28, 2005 0 0 Get merch Get the a poops mcgee mug. Buy Now — $32.95 See more merch