Description: The Subverted Support Fallacy is committed when someone tries to describe or explain a phenomenon without first providing any evidence that the phenomenon exists at all. It is a form of Begging the Question in that the existence of the phenomenon is assumed.
Description: The Toupée Fallacy is a type of Argument from Ignorance where someone doesn't notice evidence that would prove that they don't notice confounding evidence, such as when someone claims that all toupées are bad because they've never seen a convincing one (possibly because if it was convincing, they wouldn't know it was a toupée).