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A backwards way of telling someone to "suck my dick".
It is used in a way that people won't understand. Best effective on teachers, coaches. If you ask them they might think if your asking them if they would cuss at your future kids.
Javier: Hey Mr. Parris, would you ever kus my kid?

Mr. Parris: It depends Javier

Javier and friends: lol lol lol
by Vince! April 01, 2008
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