A very lengthy, very loud and very annoying tirade of negative comments and whiny, annoying ad nauseum complaints, often done either yelling or screaming in a high-pitched voice while in a state of extreme anger or self-righteousness.
Combination of bitching (used as a descriptor for complaining or whining) and blitzkrieg (the traditional "lightning assault" commonly used by the Hitler's military).
I shouldn't hang out here anymore, man. My mom throws a bitchkrieg every time she finds out I'm here.
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