Non-Cannibal Disco Killer Carnage-O-Rama (1999)

A group of troubled teenagers are going for a religious retreat in the woods with the Father Loosehead to try to forget the past and find Jesus. But Harry Fordson, Mich Robertum, Sandra Ursuless and their friends will meet the Disco Killer instead. Now they' ll have to fight back if they want to have a future. The Disco Killer will use his Groovy weapons to dispatch them in the most ridiculous way possible, but always with style and Music.