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!
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 June 15, 2013

by Dan Schrack August 20, 2010

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.
by Napalm December 10, 2003

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 March 01, 2011

by Trashy Stachy July 20, 2010

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.
Buckley: Ah good idea John. My mother packed my bag so I don't have fat man pants with me.
by Surfingarbo June 10, 2010

by pantsville June 11, 2018
