Wacko(1982)

[yetie]

probily a forruner for those scary movies. it start with a teen girl who with her boyfriend on halloween night bo to a party, as she was supposed to look after her little sister and her friends those 4 kids end up bound and gagged in the back of the car. were they get to see how the elder sister and her boy toy gets killed

[Doofalicious]

I remember this movie. It was actually a horror spoof, similar to Scream and featured the duo of director Graydon Clark and the late great Joe Don Baker, who would later work together in the MST3K favorite, Final Justice.