Mfht Share definition Flag Stands for “might fuckin have to.” Used mostly by the buds and can be used in all instances in life. Bud 1: Man I really don’t wanna smash this fat hoe.Bud 2: Mfht Mfht by ursisterspipeboi May 3, 2020 0 0 Get merch Get the Mfht mug. Buy Now — $32.95 See more merch