What the hell is the Kafka Trap?

Kafka trap is a fallacy where if someone denies being x it is taken as evidence that the person is x since someone who is x would deny being x. The name is derived from the novel The Trial by the Czech writer Franz Kafka.

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My Democrat friends almost universally declared that the efforts and passion through which Judge Brett Kavanaugh engaged and indulged to insist upon his innocence from the “credible accusations” of rape that he underwent during his nationally displayed “job interview” surely damned him as guilty as much as actual proof.