Noun: A physically undesirable woman. She usually emerges from her place of dwelling (usually a cave) to attend parties in the hopes that they will hook up with a guy too drunk to realize how terrible she is. Terribles are usually are a breed of nuthugger, who will latch onto one intoxicated man in particular and will strike without warning.
Calling someone a terrible is funny because it uses an adjective as a noun.
GO BACK TO YOUR CAVE!!
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