uterus cannon Share definition Flag Someone who has an unusually large number of children, referring to their exceptionally (re-)productive ladyparts "So you're the youngest of *thirteen* kids? Wow, your mom must have had a uterus cannon!" uterus cannon by Peter the Quite Good May 26, 2016 0 0 Get merch Get the uterus cannon mug. Buy Now — $32.95 See more merch