Top Definition
Martha Stewart's prison nickname.
M Diddy tried to remove her electronic ankle bracelet with a sushi knife.

M Diddy has a huge crush on John Stewart, but are they related?
by inane5 July 07, 2005
1 Word related to m diddy
1. Martha Stewart's Prison Bitch name.
2. A wannabe rapper who's name starts with the letter 'M'.
1) That M. Diddy is a hot piece of ass!

2) Yo! It's M. Diddy whizzle in tha hizzle fo' shizzle, all the ladies think i gotsa small Pe-nizzle!
by Nick John July 09, 2005
The nickname of Martha Stewart while in prison.
"I gave that poncho to M. Diddy."
by The Scarlett July 13, 2005
Another way to refer to a muff daddy. Also a nickname for someone who considers himself a muff daddy.
M Diddy's favorite saying is "no muff to tough."
by Eman3737 November 29, 2004
The act of calling someone with the initials M.D. M Diddy.

A famous white rapper in North Carolina.
Yo what up M Diddy!
by Matt December 05, 2003
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