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

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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

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The nickname of Martha Stewart while in prison.
"I gave that poncho to M. Diddy."
by The Scarlett July 13, 2005

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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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

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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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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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt