Fyhb Share definition Flag The acronym used in texting for "fuck you hoe bag". This is an insult to the person who receives it. Bella: Hey Marcela, FYHB Marcela: Omg your so mean. Fyhb by Bella.ac July 4, 2016 0 0 Get merch Get the Fyhb mug. Buy Now — $32.95 See more merch