horse mouf bitch Share definition Flag When a bitch gotta mouf dat look like it should be ona horse. When she laugh it sound like a donkey! Cristina and her horse mouf bitch friend, Michelle, are some ugly ass hoes. horse mouf bitch by tom08 March 1, 2008 0 0 Get merch Get the horse mouf bitch mug. Buy Now — $32.95 See more merch