29
Not wanting to do something because you are too tired, scared, lazy, etc... but once you do it, you feel much better about yourself
Josh didn't want to take out the garbage, but once he decided to "man up" and do it, he felt much better about himself because his apartment didn't stink anymore
by JoshyWashy March 10, 2012
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30
getting ready to go fight or do something daring, preparing for a tough siutaion most times a fight
Ayo we gotta box them dudes tonight
Everyone man up we gotta rumble tonight
by Chris May 16, 2004
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31
Female shaming term used to make men act against their own self-interest and for the benefit of women. Also used by manginas and white knights in the futile hope of scoring with women.
That white knight told me to "man up" and take care of that chick who is on welfare and has three kids by three different dudes.
by Jofish Marmar February 19, 2017
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32
The process of performing a set of eccentric body motions in order to fend off ill omen
Ty: Oh man Carl she broke that mirror man that's bad luck

Carl: That's bad luck man

Ty: Man we gotta man up dawg

(man up has occured)

Carl: Broke dat Hex
by Moobycow June 28, 2009
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33
Become more brave
What? You need to man up. Do some push ups and man up, dog.
by iwill December 18, 2002
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34
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
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35
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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