fosie hag Share definition Flag The definition of fosie hag is a rotten bitch with low self esteem and not a lotta homies. "You're a fosie hag," said LaQueesha to that bitch who stole her man. fosie hag by ana and leigha October 2, 2006 0 0 Get merch Get the fosie hag mug. Buy Now — $32.95 See more merch
