so badass! Share definition Flag a phrase commonly used when someone does something that is rebellious or just down-right daring. Person 1: OMG! John just landed a double mcTwist 1260! Person 2: Yes! He is SO badass! so badass! by dmack23 April 1, 2010 0 0 Get merch Get the so badass! mug. Buy Now — $32.95 See more merch
