bum feet Share definition Flag Is when a woman has sex with no socks or shoes on outside. Her feet become dirty on the bottom, which in turn, is where the term bum feet came from. Yo, look at those bum feet. She got bum feet last night. bum feet by xtremenik May 8, 2018 0 0 Get merch Get the bum feet mug. Buy Now — $32.95 See more merch