Ronions Share definition Flag An uncooked version of the bulbous plant (Allium cepa), cultivated worldwide as a vegetable. Usually referred to as "raw onion" "Whos next?" "I'll take two dogs." "You want ronions on dat?" Ronions by reevstar October 5, 2005 0 0 Get merch Get the Ronions mug. Buy Now — $32.95 See more merch