"“Flirty Harry” is stupid, but it’s fundamentally harmless. The same cannot be said of “Blackass,” which, as its title suggests, is like Jackass, only racist. So instead of Johnny Knoxville and his gleefully homoerotic gang of testicle-abuse enthusiasts, we’re treated to a dispiriting assortment of stereotypes of black men as welfare-collecting, violent, hyper-sexual, irresponsible thugs."