What is Rubberband On The Doorknob?
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It is literally a rubber band hanging on the doorknob, used to warn a roommate(usually in college dorms) that the other is currently having sex in that room.
If your ever having sex and you dont want your roommate to come in by accedent then just put a rubberband on the doorknob.
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Random Words:
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Acts that are explained because the person who done them is capable of doing so!
Example: self-destructive art installations.
Inverse..
