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36.
To become tougher, or more manly.
"Damn nigga, yo ass need to man up!"
"I think it's time for someone to man up!"
"We love to get drunk, go the bar, and find the toughest son of a bitch in there and see how tough he really is...see if he can MAN UP!"
por TST 11 de Novembro de 2006
 
37.
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.
por Adam 15 de Maio de 2004
 
38.
Become more brave
What? You need to man up. Do some push ups and man up, dog.
por iwill 18 de Dezembro de 2002
 
39.
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
por Chris 16 de Maio de 2004
 
40.
take a shot
"lets all man up"
*everyone takes a shot*
por Geoff 29 de Março de 2004