1a. A man's manhood
1b. Membership to the pen-fifteen club
1. After wasting away a saturday night with some random chick to only end up having her try to start a fire with your mushroom tip, the next morning you might say to your buddies: "dude, my effin deanzer hurts"
2. If your all hanging around on the couch and you've got mesh shorts on: "hey guys take a look at the deanzie!"
3. If your buddy passed out drunk with his shoes on, someone might beat their deanzer oh his face, hopefully until there is noticeable redness and/or swelling.