when one acts harder in front of an audience different from their usual group of friends or acting differently in front of a girl rather than their usual self.
a soft ass guy: GET THE FUCK OFF ME *threatens to punch*
friend: stop acting man cool.
by J-smooooooove March 4, 2008
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when one acts harder in front of an audience different from their usual group of friends or acting differently in front of a girl rather than their usual self.
a soft ass guy: GET THE FUCK OFF ME *threatens to punch*
friend: stop acting man cool.
by J-smooooooove March 4, 2008
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an elderly man who wanders around parking lots yelling at teenagers. usually has a story to tell
look at cool-man-cool over there giving us the finger and grabbing his nuts! hes crazy as shit.
by cheeko February 11, 2005
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when someone does something that is not acceptable, "Not cool man!" is usually an appropriate phrase to inform them that what they did was not nice, cool, funny, or tolerated by society, or just you.
Uncool guy: My butt is so awesome....
Cool guy: Not cool man!
by Shiraz rocks mannnn February 3, 2018
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a sarcastic and dismissive phrase used when indicated that you've spotted someone is trying to brag and you couldn't give a shit
Person 1: Yeah mate, just been at this messy party

Person 2: Cool man.

Person 1: No seriously I got so drunk I had to be taken away in ambulance

Person 2: Cool man!
by Ellsclark4ubaby August 24, 2009
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A man which is totally cool.
He is also the manliest of all men.
Also a chick magnet
Joseph Leung is the total definition of a cool man
by Josephs No. 1 Fan May 27, 2007
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A Very Cool Man or O' Holy Glorious Master is a person who is so awsome and cool he has this name, plus, he a an awsome pleasant called theo and is in TheRandomersism Religon
Whoa is that A Very Cool Man?
by A Very Cool Man June 20, 2020
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