Means Dick in Pussy. Can be expressed as a percentage or ratio.
J. Holmes (cumshot legend) D in P = 100%.
Marriott D in P = 0%.

Hey Marriott. How's it feel to have a dick inside a pussy? Oh you've never had that! Holy shit! Holy Fuck Marriott - you've never had your dick inside a pussy. Well fuck you ya dumb cunt. Go work for your fucking low tier company.
by Drew Christx April 9, 2007
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pretty darn effing precious
used by the popular youtuber Shay Carl to describe his pd effin p kids.
Girl: Did you see that baby?!
Girl 2: OMG! I know. Wasn't he p d effin p?
Girl: Oh Yeah (:
by ShayCarl's #1 fan February 25, 2011
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I-D-P-L-M-A-L is a memory device to remember the order in which musical modes follow each other. A common way to remember this order is to remember the phrase "I Dig Phat Ladies - Mostly All Lesbian" which will help you to order the modes in the correct manner:

Ionian
Dorian
Phrygian
Lydian
Mixolydian
Aeolian
Locrian
"Shit, dude! What mode comes after phrygian?"
"Just remember I-D-P-L-M-A-L! I... Dig... Phat... Ladies..."
"Lydian! It's lydian! Fuck, you are a pro!"
"Your cursing is beginning to sound like a locrian triad to me."
"What?"
"The tritone."
"What?"
"Why are you even in this class?"
by Billybobilly December 10, 2007
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Pump and Dump
Used as a term when trading with stocks, where you buy shares yourself and then start spreading false rumors on various forums. In that way the stocks of small companies goes up on rumors, and you sell with a profit.

Also it can refer to one night stands.
"Do you still got shares in that small company?"
"No I sold that some time ago, it was just a P&D!"

OR
"Did you go on a date with that girl you met?"
"Nah, she is just white trash, so i did a P&D"
by tobjar12 September 11, 2013
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Pride and Desire: It stands for the lifeforce within every man that leads him to be awesome every day.
"Dude you showed crazy P & D by hitting on that smoking hot chick."

Awesome dude A: "Why is Fred such a fucking loser?"

Awesome dude B: "He has no P&D"
by fred_berg December 12, 2009
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