PBC Share definition Flag a black girl who is pretty, black, and cute! She lights up any room she walks into with her grace. She is THAT BITCH and won’t let anyone forget it!! doechii: wow did u see flomilli’s ig post?? PBC for sure!! PBC by th&tbitch.com April 22, 2022 0 0 Get merch Get the PBC mug. Buy Now — $32.95 See more merch