Man Clam 

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.

The "Man Clam" is usually opened by a finger, tounge, strap-on or penis.

Man Clam by @pierceparisxxx August 6, 2017

man clam 

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

The other day at work, Ray picked up a box of paper and had a giant man clam going.

man clam by cornwreck March 25, 2009

man clam 

a vagina which was once a penis

Lady Gaga has a man clam

man clam by kmshim May 25, 2010

Man Clam 

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.

He was sporting a really bad man clam in his chinos.

Man Clam by tngal May 9, 2011

man clam 

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.

Robbie does the best silence of the lambs impression with his gnarly ass man clam!

man clam by Tom Roofer June 22, 2010

man clam 

a homosexual males anus.

John went clubbing in search of some man clam.

man clam by kevin December 3, 2006

Bearded Man Clam 

Hairy Anus belonging to a Male

Man, Barry had the hairiest mangina I have ever seen..!!! It was a total BEARDED MAN CLAM!

Bearded Man Clam by kmfa666 July 8, 2010