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When you totally out do some one, usually in insult form.
"your a gay"
"your mums a gay.... haha pipped"
by Calvin Walker December 19, 2006
Comes from the English word molested, in which a man sexually assaults/touches a child.
Did you hear that that guy pipped his kids every night for 4 years straight, i would not want to be them.
by The Real Jenko October 01, 2014