Unkart Posted in U Best definition Unkart A total fucking bad-ass!!! One who exhibits bad-assary qualities. One who would choke out a Rubino while pulling an Umbarger. Girl – âHey, look at that totally hot ass guy over there. Heâs a total Unkart!!â How satisfied are you with the definition? Looking for Unkart meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 106 times.