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1. To create/revive the falseness or hollowness of (a myth, idea, or belief).

2. To protect the sham or falseness of <rebunk a legend>

A Proper noun is Rebunker.
The advocate of the Hollow Earth Theory went into the comments section of the video to have the theory rebunked using federal-funded websites and in a attempt to stop people from questioning it.
by The Painful Reality June 05, 2016
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