Top Definition
A piece of cloth or plastic that is intended to keep ejaculate from staining clothing during/after fellatio.
Next time, I bet that Bill insists that Monica wears a knobster bib so that he can easily dispose of the "evidence."
by iam2eeyore November 19, 2009
9 Words related to Knobster Bib

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×