pizzle

See also baculum, and this list.

We used to use this word all the time at a job I once had. I believe Shakespeare used it as well. A very dirty word, indeed.

herotuesday, that's a great story!

"The condition of a product that is manufactured when no need exists. It indicates the rejection of objects on the grounds that they are no longer wanted."

animal penis:
I came across this one as a wee verbivore when my sister and I were insulting each other w/ random words in the dictionary.
It stunned her into a silence of at least five minutes.