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1.
(verb) To belittle or ruin one's story or statement around other people by asking this person to validate the authenticity of the facts involved in that story or statement.
Man, I was telling the story about the guy who survived a fall from 10,000 feet, everyone was into it until John came in and totally jabagched it. I looked like an idiot after that.
by w-defineit February 05, 2010