Pigment Impaired-a white person, lacking pigment or color
Used in the presence of white people, when talking about them behind they're back
Damn, I hate these P.I.'s! They always think they runnin shyt...
by Tiffanyyyyyy June 27, 2007

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Pi
"Pi is an infinite, nonrepeating decimal - meaning that every possible number combination exists somewhere in pi. Converted into ASCII text, somewhere in that infinite string of digits is the name of every person you will ever love, the date, time, and manner of your death, and the answers to all the great questions of the universe. Converted into a bitmap, somewhere in that infinite string of digits is a pixel-perfect representation of the first thing you saw on this earth, the last thing you will see before your life leaves you, and all the moments, momentous and mundane, that will occur between those two points.

All information that has ever existed or will ever exist, the DNA of every being in the universe, EVERYTHING: all contained in the ratio of a circumference and a diameter."
the entire text of every single book can be found in pi

all 3 HDM books in order

all 7 Harry Potter books in order

books that haven’t even been written yet

and yeah not just books how about everyone’s entire family tree stretching back to when humans first had names

every word you ever spoke since birth

all the word ever spoken by the human race

pi is everything
by I0U June 21, 2013

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P.I
abbreviation of Philippine Island
He just had a vacation in P.I last april.
by Misanthropic ladee August 11, 2005

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Pi.
Pronounced p-i, like pi. Again? P-EYE. It's short for PIOUS, although in the goody-goody sense. When someone is altruistic, you say they're pi.

First appeared in Enid Blyton's Malory Towers.
A: So they say that Cancers are always thinking of how to make life easier for others...
B: Oh, bitch, please.
A: And they say Cancers always love everybody, no matter what.
B: What the fuck? Are they even human?
A: And Cancers' primary focus is on the fam and taking care of those they love.
B: PI, PI, PI.
by finedoubter March 30, 2011

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Penile Imprecision: when you have little to no accuracy while peeing after you beat the meat
Shit, I just peed all over myself! I shouldnt have jerked off right before this big party!

Wow bro, thats major P.I. right there.
by Drow-Z April 17, 2011

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public intoxication
Pi: "I don't want to go to jail for p.i. officer"
officer: "well you were publicly intoxicated so you are going to jail sir."
by smokinrobocop February 06, 2011

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Phone Interceptor.

A person who is outside the phone conversation but constantly intercepts by commenting and asking questions in the background.

A constant phone spy. Like the number PI, they keep going and never stop.

IE: girlfriends, sisters and parents
Don't be such a PI. Wait until I get off the phone to fill you in on what's going on.

Can't talk now. I got a PI on my back.
by Chan Vu January 02, 2009

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