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the act of one friend singing a song or even talking about it, that it gets implanted in to your head for the rest of the day.
person one: "just a small town girl livin in a lonely world..."
person two: oh great now thats going to be stuck in my head all day!
person one: you just got a schach attack!!
person three: oh snap
by sofreshh June 11, 2009
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