Top Definition
An angry expression of ignorance generally used in response to a specific inquiry.
- How do you think the cat got up there?
- I don't fucking know!
by FuckIfIKnow November 26, 2013

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.

×