BAH Share definition Flag stands for bitch ass hoe, can be used for someone that is fake, for someone who you can’t stand or for someone who is annoying af “tiffany is such a BAH, she’s literally the fakest person i’ve ever met!” BAH by urbandictionay.pros June 26, 2018 0 0 Get merch Get the BAH mug. Buy Now — $32.95 See more merch