when you're wearing tight pants, and you kneel down for something, and the seam splits your ballsack creating a man clam
by cornwreck March 25, 2009

Originating from Manhatten Clam Chowder Soup. Man Clam evolved into what was once known as a mangina where a man tucks his shit back and therefore make a man clam.
by Tom Roofer June 22, 2010

by kevin December 03, 2006

A muscular tube leading from the external rectum to the opening at the end of the alimentary canal through which solid waste matter exits and solid mass enters. Typically found on a human male (pending gender identity).
A gay slang term coined by Gay PornStar Pierce Paris.
A gay slang term coined by Gay PornStar Pierce Paris.
by @pierceparisxxx August 06, 2017

When a man has bunched up pants in the front that resembles a pair of pants in a vaginal crack (aka camel-toe). Similar in apparance to a moose-knuckle, the man clam lacks the "junk" pushed over to one side.
by tngal May 09, 2011

A man who is extraordinaraly good at having sexual intercourse with multiple women in the same evening, often using his wits and intellect to lure them in his bed.
Jon: Did you see how many bitchs Randy pulled outta the club last night? Uncle Jesse: What did you expect he's the clam man.
by Amazon36 October 13, 2008
