dub 1 
(dŭb)
(dŭb)tr.v. dubbed, dub·bing, dubs
1. To tap lightly on the shoulder by way of conferring knighthood.
2. To honor with a new title or description.
3. To give a name to facetiously or playfully; nickname.
4. To strike, cut, or rub (timber or leather, for example) so as to make even or smooth.
5. To dress (a fowl).
6. To execute (a golf stroke, for example) poorly.
n.
An awkward person or player; a bungler.
[Middle English dubben, from Old English dubbian, perhaps from Old French aduber.]