pizzle
1. An animal's penis, especially that of a bull, sheep, or goat. The shop sells dried bull pizzle as a snack for dogs. I think your ram is suffering from pizzle rot.
2. slang Urine or the act of urinating. Formed from "piss" + "-izzle" (a construction used in African-American or faux African-American slang). Hold on, I gotta go take a pizzle.
3. slang To urinate. Pull over so I can pizzle!