A slang term for penis(n.). The word can also have different meanings when used in certain phrases. It can suggest homosexuality or humanstupidity. Finally, it can be used as a verb (v.), to directly reference masturbation.
1. Leo is a jir - could mean: "Leo is a dick!"
2. Leo, go jir - could mean: "Leo, go spank the salami."
3. Leo is jiring - could mean: "Leo is jerking off."
4. Leo has a plastic jir - means: "Leo lost his dick some time ago due to abuse, and had to have a synthetic dick implemented as a replacement."