The male crotch. Most well known as the place where Fat Bastard got kicked at the end of Austin Powers: The Spy Who Shagged Me.
"AAAUGGGGGHHHH!!! Right in the mommy-daddy button!!"
by Phil Mehard March 24, 2005
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The area of a man's crotch where a good kick will render that dude useless for about an hour.
"I kicked him in the mommy-daddy button and he rolled over crying like a girl"
by Flo January 28, 2004
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