vas deferens 

the vein/tube that connects the testicles to the prostate gland, and then to the urethra to release semen.
(This IS a real word!)

If you cut off my vas deferens, I will never have babies!!

vas deferens by nasal puff December 28, 2005

vas deferens 

A part of the male anatomy. Also can be used as an insult.

Stan: "Just a second fatass!"
Cartman: "You Vas Deferens"

vas deferens by xsamix November 30, 2006