What is Back-up Bitch?
1.
The next person in line that you ask to do something with after your preferred person isn't able to.
guy 1: "My girlfriend can't make it for lunch with me today...do you want to go?"
guy 2: "What, am I your back-up bitch?"
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2.
Person you invite to go somewhere when your preferred person cannot go. Can be male or female (non-gender specific).
"You can't make it? I better call my back-up bitch!"
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Random Words:
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underfuckingstand - Understand, with "Fucking" inserted in the middle, making it an exclamation of frustration or, in some cas..
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Applies to a male who is filthy/dirty/unattractive in either physical appearance or personality, generally disgusting, unworthy, unsavor..