a night of man stuff and doing totally manly things
CamRon: "tomorrow were going longballing and going to coon hill its gonna be such a man night"

Katelyn: "whats man night?"

CamRon: "killed it."
by xGoodspeedx. March 14, 2008
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n. any night specifically dedicated to the bonding of bros or men and men specifically. can also be used to educate said men in web videos, classic movies from the 80's, video games, and sparkler bomb making.
Hey, man! You goin to man night tonight?
by Chris Boemler January 11, 2008
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When manly men gather to do manly things. nothing like a sleepover.Drink mountain dew, play xbox, blow things up etc.
we gotta have a man night this vacation!
by Bsully January 6, 2013
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A song about the spirit of the night man that comes into your room at night and pins you down with his strong arms and you try to fight him but he comes inside you and fills you up and you become him. An invention of Charlie Kelly from It's always sunny in Philadelphia.
Charlie: "It's a song about the spirit of the night man coming inside me and I become him- I become the spirit of the night man."

Mac: "It sounds like a song where a man breaks into your house and rapes you"

Charlie: "where are you getting that from?"
by Bluefrawg October 17, 2007
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