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

Plumbing 

Wearing one's pants so low as to display one's asscrack. Derived from the state of many a fat plumber's pants.

Dude, pull up your pants you're plumbing.

Plumbing by lesseins August 14, 2008

plumb 

A simpleton, dunce or idiot. Sometimes used in London.

"Eric's just fallen down the stairs... what a plumb!"

plumb by el tony July 25, 2006

Plumb 

To have casual sex with a girl.

derrived from how many pornos involve plumbers.

See that hot girl? I'd totally plumb that.

Plumb by rsktod January 8, 2005

Plumbing 

The act of purposefully stopping up your toilet so that the plumber will come to your house and unclog it.

That weirdo gets off on plumbing.

Plumbing by superchar January 13, 2009

plum crazy 

expecting the un-realistic!

extra fruity crazy

Boy you think your coming with home with this? Your plum crazy!!!

plum crazy by pinhighs October 26, 2009

Plum 

A female of asian heritage that is incredibly attractive, small, soft and silky.

That asian lady over there is such a plum.

Plum by Boosty May 7, 2017