Tropescilloscope: Hoist by His Own Petard

Defeated by one's own device or plan. (read more at tvtropes.org)

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Is Serious Business Adaptational Villainy Groin Attack From Nobody to Nightmare Badass Bookworm Badass Boast Wrong Genre Savvy Casting Gag Soundtrack Dissonance Ambiguously Gay Cool Shades Large Ham Bound and Gagged 20 Minutes into the Future Captain Obvious Black Comedy Rape Action Prologue Authority Equals Asskicking Manic Pixie Dream Girl Establishing Character Moment Training Montage Four-Temperament Ensemble Last-Name Basis N-Word Privileges Attempted Rape Off with His Head! 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