A psychological diagnosis that entails having enough intellegence to survive, but no more.
Sandra: Did you hear John cut his own toes off last week whilst mowing the lawn with no shoes on? Only a few days before that he told me that he cooks his food directly on the hob with no saucepan to save washing up. He's such a fool.

Ed: You need to be more sensitive about this. John was actually diagnosed with MVID (minimum viable intelligence disorder)

Sandra: Oh my god! I'm so sorry. I didn't know.

Ed: Don't worry, neither does John, the guys a fucking moron.
by Compersious June 25, 2019
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