Beenasty Share definition Flag anyone whos name starts with a "b" and wants to be known as a duuuurty person, can also be used for a rap name. "now introducing the next big name in hip hop, brandii aka BEENASTYYY" rap hiphop dirty Beenasty by b.wiiine August 4, 2009 0 0 Get merch Get the Beenasty mug. Buy Now — $32.95 See more merch