Duck! The Carbine High Massacre is a 1999 American teen black comedy crime film about a school shooting. Released just over six months after the Columbine High School massacre event, it was written, produced and directed by William Hellfire and Joey Smack, who also starred. After the film was released, Hellfire and Smack were arrested for possession of weapons on school property. The film is said to have helped pay for Hellfire's legal fees.

Derwin (William Hellfire) and Derick (Joey Smack) are trench coat-wearing neo-Nazis from deprived families. They find a website selling top secret missiles and order one with the credit card of Derick's mother. The next day at school they encounter the school janitor who warns them of their unusual wardrobe. They launch the missile the following day, but discover it is a dud. While walking home, Derwin is assaulted by jocks and left in critical condition where the janitor finds him. He and Derick both fail their presentation on the topic of the internet due to Derwin's absence. They then form a plan to kill students at their school and then commit suicide with the janitor’s offered assistance. The pair buy two shotguns and several handguns from a black market dealer next door to a heavy metal band concert. He also offers them cocaine and sexual intercourse with a girl being held hostage in which they refuse to accept. The next day the janitor arrives first with a propane bomb and leaves it in the cafeteria. Derwin and Derick appear and open fire in the cafeteria, killing several people, before going to the basement where they simultaneously kill each other. A police officer (Karl Pitt) and the school principal (Larry Wellman) enter the school to find a bomb that was placed there by the janitor (Rodney Sleurtols). While the policeman attempts to defuse it, the janitor is seen running away to safety before the policeman accidentally sets the bomb off. The aftermath involves the parents along with a teacher and the principal sharing their thoughts on Derwin and Derick as well as the victims. A scientist then expresses his theory of alien influence as a motive, hinting the janitor was an alien.