A betch bag is a happy bag turned inside out. It is like a slurpy while the happy bag is like 1000 burning suns. It is a bag of botch, and when it pops it creates a time portal that spews out inky black tears of pain and rage that resemble pieces of microwavable rice.
I called my blow-up doll a betch bag and now she isn't talking to me anymore.
by HoroscopeJunkie April 22, 2008
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