vaginaboob Share definition Flag The inexplicable nasty taste in your mouth after a night out getting wankered. -Mate, you were fucked last night, how ya feeling? -Rough man, I really need to brush my teeth; I'm tasting major vaginaboob. vaginaboob by Hallzy January 24, 2011 0 0 Get merch Get the vaginaboob mug. Buy Now — $32.95 See more merch