Keegan-ass Share definition Flag Adjective. One who performs ultra thirsty and desperate actions on social media. Look at that Keegan-ass bitch posting pics of her butthole and not tagging it NSFW. Keegan-ass by I Beat Anne Frank at Hide n Se October 3, 2018 0 0 Get merch Get the Keegan-ass mug. Buy Now — $32.95 See more merch