Top Definition
To abandon the overly sensitive, healthy, monogamous traits that have become so prevalent among the modern man, and instead, embrace the booze drinking, steak eating, secretary pinching behaviors of the swinging 1960's man.
Dude, enough with the "Mommy and Me" classes! It's time to Mad Man Up and come drinking with your boys!
by prepster2009 August 09, 2009
7 Words related to Mad Man Up

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