to build up enough courage (usually for men) to face adversity and responsibility
When someone man-up its shows maturity and increases respect from society.
Don't be a pussy, brave it, be daring.
"Hey man, finish this bowl."
"No dude, I'm baked as it is."
"Come on pussy, man up."
to fulfill your responsibilites as a man, despite your insecurities and constant ability to place yourself in embarrasing and un-manly scenarios.
Paul forcefully imposed the bet on everyone, yet he was the first to fail miserably on the very challenge he had conjured up.
Paul must now man up and meet his own challenge.
Take control, take control of a (the) situation, be strong, rise to the moment
strap on a pair, grow some balls, stop being such a complete and utter wuss.
"I can't.. believe.. she dumped me.. again! This is awful. I've been crying so much."
"Jeeeez. Man up!"
To work through impediments and obstacles without whining
In the National Basketball Association Championship finals, coach Avery Johnson of the Dallas Mavericks complained that their rivals, the Miami Heat, were playng "playground basketball" because of the Heat's physical play.
Heat player James Posey responded:"If Johnson wants to call it playground basketball, so be it.Well, sometimes in playground ball you go out there and man up and say 'I can play through a turnover and play through a foul.'You just continue to play. That's playground ball and you just have to man up about the situation."
6. Man up can also mean for an individual to be (not "act") mature, to grow up, quit being childish, to change their ways and turn around (do a 180) and to go the correct way from now on, etc...
7. Close to that: man up can also mean for someone to stop being self-centered and to look at what they are doing, or how they are acting - for them to change viewpoints, and perspective on the situation(s) and move forward in the correct direction in their life, and/or in others lives.
8. Man up can also mean for one to be a leader, to step up to the plate when no one else will, to give it your best shot, to TRY!
6. Finally at age 38 I realized that I wasn't helping out anyone else but myself when I did those things, so I (did man up) grew up & repented of my ways (did a 180 degree turn
from where I was at before, to go the other way now). It took some doing, and I am still working on it, but at least my family & friends know where I stand
7. Yanno, I wasn't sure where I was headed, because I really had no goals
in my life; but since I met her - I (did man up) am on the right path
8. When no one else would do their duty to step out
onto the Battlefield, a scrawny
Private (did man up), took notice, stood up, and started working his way
through the enemy lines. His initiative
brought on a great victory that day, and now he is a Hero to many.
A calling to bring out the masculine side of girly men and whinny little boys.
Yo better man up before i slap your mustach sideways now.