1. A nickname granted to men whose first names begin with P throughout America, often in office or academic settings. Assignment of nickname has no correlation to recipient's likeness to a rap artist, more to the desire of those around to feel cool themselves.

2. Version 2 of the name used by Sean "Puffy" Combs for his recordings, Version 1 having been Puff Daddy.
1. - Yo, P Diddy, pass me a medium binder clip!
- I think we're out. Would a large one work, Glen?

2. - Did you hear P Diddy's latest track?
- Frankly I haven't listened to a damn thing by that guy since he broke up with J Lo.
by discoanna June 19, 2005
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Black entrepreneur with many haters. Used to be a paper-boy, now makes millions.
by Anonymous August 25, 2003
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Former nom de plume of the rapper Sean John Combs. As of July 2006, Combs has shortened the title to "Diddy," citing his concern for chantability of the name by fans.
If you call Sean Combs P Diddy anymore, you gonna get wasted, nigga.
by Matthew Soames June 9, 2006
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a woman's period (pd.) originated in Philadelphia
I was to fuck, but we can't do anything 'cuz P. Diddy runs the kitty.
by C. L. November 16, 2004
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Damn, That diaper is full of P Diddy
by ynbk November 15, 2009
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