Anything to do with or behavior typical of the Kardashian family that reflects intense shallowness. an obsession with material goods. and/or bad taste.
"Lauren, wearing your 19 carat diamond ring to work at a non-profit is pure Kardashiansanity."
"Brittany, do you really need that Christian Louboutin shoe in all six colors? I'm calling that Kardashiansanity."