Top Definition
slang term for yes; sure; definitely.
"Yo man do you wanna go to that party later?"
"McDeffy!!!"
by Randy Kandy August 24, 2009
6 Words related to McDeffy

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.

×