Plummer's crack 

Akin to a plumber's crack, but hairier, fatter, sweatier and in general, more disgusting.

"His plummer's crack made many people vomit."

Plummer's crack by Smellybottom March 21, 2010

Plumber's Crack 

See also Bum Crack and Plumber. In general, when you have a water leak and you call a plumber to check it out, they always show up, bend over and a portion of their crack can be seen above their beltline.

Ha ha. She bent over to give Carly a hug and she showed a plumber's crack.

Plumber's Crack by gammarock July 22, 2004

Plumber's Crack 

the but crack that is visible when one is either crouching or sitting resembling a plumber fixing a toilet. Usually causes one to be grossed out unless your into that kind of stuff.

Steve-"Dude I'm about to puke from looking at that girls plumber's crack"
Josh-"I know man it's disgusting!"
Steve+Josh-"Pull up your pants!"

Plumber's Crack by BSTN STEVE June 10, 2009