Top Definition
m is short for most or mos
m deffer is most definately
mos def is m deffer because deffer is short for definately
by 99pl April 16, 2007
5 Words related to m deffer

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.

×