dual plumbing

During male urination: The phenomenon of two separate streams of urine exiting as a result of the two sides of the external urethra sticking together at one point.
Hey man, I took a leak before, I was hitting the bowl, then i look down and see i'm peeing on my foot at the same time!

Dude! you've got dual plumbing!
by toilet_master March 11, 2005
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plumb onion

When you are fucking a girl, you pull your boner out, bend it in half and shove it back in. Upon being pulled out, the boner is purple like a plumb and stinks like an onion.
1. Shit man.... shit..... that is one plumb onion!

2. You ain't gettin' none o this vajayjay unless I get somma that plumb onion!

3. My plumb onion hurts real bad!

4. Dr.: "Don't bend your penis in half like that anymore."
Patient: "But my girl wants the plumb onion real bad."
Dr.: "Oh, here are some pills."
by Prof. Plumb January 04, 2008
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plumb bobbies

A vulgar description used to describe the breasts of an aging women. The plumb bobby state is reached once the nipples become the lowest part of the breasts (as opposed to the central part), and actually point straight down. They have the general appearance of plumb bobs pointing to the ground.
I don't like looking at National Geographic because all of the women have plumb bobbies!
by Jane Lindquist March 13, 2006
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plumb pouch

A mans G-Sring! the pouch is where you put your testicles which are also called plumbs
"i need to adjust my plumb pouch"
by jenni1188 May 04, 2007
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original plumbing

Indication that a female-to-male transsexual or transgender person (ftm) has not had genital surgery.
Most ftm's retain original plumbing due to a lack of desirable options.
by RockRabbit June 12, 2014
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Plumb Smugglers

A pair of pants worn by a male that are extremely tight.
Dude, nice Plumb Smugglers. I can count your pubes through those things.
by The Hutt August 25, 2010
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Clean Plumbing

Post defecation, you use your toilets bidet to hit the male G spot. Simultaneously receiving a blowjob to completion. Thus cleaning all the plumbing.
Girl: can I clean you plumbing
Man: I have already started…

Man: I received clean plumbing after eating Taco Bell
by McMahonDingo December 27, 2022
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