Derived from the phrase "cowboy up", meaning "be tough, be strong, act like a real cowboy", which was in use in rodeo circles at least since the mid-1970's. "Man up" means, similarly, "be tough, be a man, do what a man should do." Other derivations, such as "woman up", are common.
Stop complainign and man up!
#cowboy up #woman up #tough #strong #pick yourself up
by Aab July 12, 2006
Sticky Fingaz's song that was featured on the video game Def Jam: Fight For New York
That song is Hot New Shit.
by wcgold December 25, 2004
Step one: Check if your balls are still attached.
Step two: They are? Good.
Step three: Check again. Odds are you're drunk.
Step four: Still there? Awesome. Then just Do It.
"I dunno, that guy's pretty huge, I think he might even have a hundred pounds on me. Are you sure I can take him?"
"Of course, man. Now, what the hell are you waiting for? Man up, and take that fat bastard Bubba down!"
#balls up #keep it real #shitkick #step up #knock down
by Dropkick November 18, 2005
To sqaure up prior to thumpin'
To prepare yourself to encounter your opponent just prior to combatant engagment
A: Sup den ni**a?

B: whatever you might want it to be ni**a

A: man up den

B: you ain tryna see me
by M. Du May 10, 2005
In basket ball: get your man
Your guy is a shooter and he's wide open at the three point line. This is when you man up - play tight defense.
by KRSplat May 19, 2004
Be more brave. Step up.
Talkin' talkin' talkin' talkin' talkin' dat shit?
Talkin' talkin' talkin' talkin' talkin' dat shit?
Talkin' talkin' talkin' talkin' talkin' dat shit?
Talkin' talkin' talkin' talkin' talkin' dat shit?
Man up, muthafucka, man up.
#man up #man #up #mutha #fucka
by D-Miles September 30, 2006
Like in "The Godfather" when Don Vito Corleone shakes Johnny Fontane, shouts at him to act like a man, and then slaps him.
Man up this.
by Adam May 15, 2004
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