Shake That Ass Share definition Flag 1.To 'Shake' Ones Bum 2.To rotate the pelvis area up and down while dancing 1. Damn! She can shake that Ass! 2. Look at her Shake that ass! Shake That Ass by Kailey V. Ya nigg February 4, 2006 0 0 Get merch Get the Shake That Ass mug. Buy Now — $32.95 See more merch