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1. A member of forums on the internet.
2. Used as an insult
3. description used to describe something that is RUBBISH
1. Pi is over at PG
2. You are as good as Pi, Pi > You
3. Face aids > Pi
Pi by not needed. April 16, 2005
Related Words
pimp Pineapple pig pizza pie Piper Pip Pickle pigeon pikachu
for people who dont understand that
# used to find circumfrence of a circle
pi by neala December 6, 2002
Pi rocks
at my school i am called pi boy and i have a pi shirt and a pi hoodie and 4 pi books 2 of which are 500 or more pages long
memory and not copying from a book or website 3.141592653589793238464
pi by Pi Boy 3.1415 April 13, 2005
Slang for the word 'pillage' which means to kill or destroy, usually said toward a person. Used when a large group of person beat the shit out of someone.

Pronunciation: PI - 'Pee' and 'I'
-Yo! This guy is so getting PI'ed!
-Why?
-He insulted me and all my friends
PI by Royal_Belvedere March 25, 2010
The 16th letter in the greek alphabet. A symbol in math. It has also become the symbol for pussy,cunt,twat etc. and also the symbol for porn and the porn scene movement because pussy is also called pie.
Pi is the symbol for the porn scene movement.
Pi by The Fury 13 November 20, 2010
Computer code which every computer can be identified. Hackers need to know.
!: What's his PI?
@: 2.3.4.5
PI by alecs July 19, 2006