UNDAWEAH Share definition Flag The way a large black man says "underwear". Black Man- S'cuse me lil' boy, is this yo garage sale? Boy- Yeah. Black Man- You Got any UNDAWEAH? UNDAWEAH by Sh4g9Y July 18, 2004 0 0 Get merch Get the UNDAWEAH mug. Buy Now — $32.95 See more merch