A very macho, manly man kind of guy. The kind of guy who would rescue you if you were hanging off the edge of a burning building.
Oh man, he's so cute, sweet and so manly - he's the man in pants.
by pinktemptress January 10, 2006
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The hair that goes from a man’s ankles to his waist, thus creating pants made out of hair. Only the men with big schlong’s have the best man pants. Not to be confused with a Man Onesie; which is hair that goes from a man’s ankles to his shoulders aka Chewbacca.
E.g.1

Girl 1: My boyfriend has the best pants!
Girl 2: OMG i know look at those Man Pants

E.g.2
Boy 1: Marc has the best Man Pants
Girl 1: I know, I'm gonna root him tonight!
by MROS May 30, 2013
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1. A pair of pants that are exceptionally manly. Usually made of good firm material that is as rugged and tough as the man who wears them.
Matt is wearing those man pants again, how dreamy.
by Napalm December 11, 2003
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A man with a bulge in all the right places.
For instance, when a man wears good quality pants that fit snug in his butt, as well as frontal area, making every girl wonder what's under those man pants.
by Fizabeth February 13, 2011
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noun - clothing worn when not being a pussy about something.
Marc put on his man-pants when he took another shot.
by Trashy Stachy July 20, 2010
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Fat Man Pants are an informal variety of trousers intended for comfort or athletic purposes. Often worn by students in college from mainly American branded shops.
John: I'm sick of these jeans, might lash on the old fat man pants later.
Buckley: Ah good idea John. My mother packed my bag so I don't have fat man pants with me.
by Surfingarbo June 8, 2010
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