from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To deprive of polish; to make impolite.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To deprive of polish; to make impolite.
from The Century Dictionary and Cyclopedia
- To remove polish or gloss from, as varnished wood or blackened boots. To deprive of politeness or elegance; render rough or inelegant.
While you chew on that question, allow me a moment to unbrown my nose (or, if you will, unpolish the apple).