Gutterballs
This is not original content. This post was found in an rss feed and is being shared using Google Reader. All credit goes to the original author. The original entry can be found here.
After two adversarial groups of teenagers clash at a bowling alley during its midnight disco party, one of the girls is violently raped. The next night, all the kids return for a revenge session but are surprised to encounter a homicidal stranger. Wearing a bowling bag on his head to disguise his identity, the killer begins picking off the teens one at a time, making sure each experiences a grisly death in this gory slasher flick.
The Corcoran Brothers 