1. The evil hotel from The Shining
2. Can refer to any place that is haunted, evil, or just flat out sucks in someway.
1. Danny: Why don't you want to go to The Overlook?
Tony: I just don't!
2. guy: let's go to the bar this weekend?
girl: hell no, that place is the overlook. i heard some guy got axe murdered there.
guy: oh fuck that then.