(By the way, that's not oil, it's water from the screenwash bottle!)
Yeah, drooping all over the place, just couldn't get a firm action on it.
How your whole car takes the abuse you give it its not a surprise lol
Just make sure it's nice and tight, then your knob will feel better.
I also dont understand how you can wobble you knob vigorously and still have a slack nut :S
Is your knob a bit flaccid?