Knob (nob) ; small bowldering ball like handle usually on a door but could also be a growth on a plant or human body part.
He is a knob (nob), everyone has had a turn.
When someone is a conplete noob at life, in a really cute/badass way. A knob is not necessarily a bad thing to be called. In fact, people are often very fond of knobs.
Dude 1: Haha, my cousin slipped on a banana peel. I didn't even know that was possible
Dude 2: What a knob!
Plug-ugly geezer who is also being a total git
What an Airy-Fairy Knob that Prat Joey is...