Top Definition
IPU
An abbreviation for Invisible Pink Unicorn, common in Internet discussion fora.
Faith tells us that the IPU is pink. Logic tells us that the IPU is invisible, since we cannot see Her.
by Doctor Whom May 23, 2005

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the nick name for Ipod
i want to get a Ipus.
by caboose695 September 09, 2010

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An organization established in New Jersey in the year 2010. The main goals of I.P.U. are to serve as both a social/professional networking opportunity for predominantly college educated men.
WOW we had so much fun hanging out with those I.P.U. guys.
by Reckless908 February 13, 2010

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IPU
Literally: I Pwn U
Meaning that the one who says it is pointing out that they are better than the other.
Fred: 2+2=5!
Ted: 2+2=4! IPU!
by Thoor Tayret September 20, 2009

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Ipu
"I promise yu"
"Ipu always wanna do something to git on my nerves"
by Beautyandthebo1 February 27, 2017

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

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