Not that bad Share definition Flag A phrase used to describe something that’s terrible but not THAT terrible. It is often used to downplay a thing or situation. Jay: Don’t worry mate, your hair cut is not that bad.Dwayne: Don’t lie to me it’s horrible! Not that bad by JayA559 December 5, 2018 0 0 Get merch Get the Not that bad mug. Buy Now — $32.95 See more merch