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A woman who, as a matter of circumstance or personal preference, makes a point of being extremely angry and disagreeable, usually directed at an adversary or a significant other.

This attitude is projected with great zeal in order to offend or harm the object of contempt's ego or feelings.
Casandra was being a complete bitch to her boy friend after she caught him cheating on her.
by mjd001 March 18, 2008
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Jun 13 Word of the Day
No Bull Shit, and old hacker acronym which is usually used to signify that the talk will be serious.
User: I need to talk to you, NBS.
User2: ESAD, Noob.
by Heko July 17, 2004
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