schach attack
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
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