White Onion Share definition Flag another word for discharge or the annoying white stuff that comes out of girls vagina everyday even when they are not horny Fuck! i have so much white onion right now that i bet you can see it through my shorts! White Onion by Johannna September 10, 2006 0 0 Get merch Get the White Onion mug. Buy Now — $32.95 See more merch