Top Definition
To completely screw up or otherwise botch something that can and/ or should be done in a more correct fashion
Guy 1: How did your presentation go in English class today?
Guy 2: Not good, I totally muff'd it
by Capo do tutti capi December 01, 2013

Free Daily Email

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

Emails are sent from We'll never spam you.