Acronym pronounced pee-eye-vee. It stands for Penis in Vagina but when used in the form of an acronym, it is much like saying cool or awesome. Use it sparingly and only when the situation is the best of the best possible situations.

It was coined in 2003 by human sexuality guru, Kidder Kaper of the "Sex is Fun!" radio show.
Hot tubbing with naked chicks is PiV.
I won a PiV Porche in the lotto.
That threesome was PiV.

by Coochie Sax May 15, 2006
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A sexy meerkat from the island of Horslunde. One lucky enough to find this mythical female in her natural habitat will witness untold splendors--the stuff of legends. Her mesmerizing gaze is stunning and can catch even the greatest of hunters off-guard. She is naturally very difficult to catch, as her well-traveled feet move quickly around the world (and the dance floor). Only through a combination of serendipity and pure devotion can one hope to approach her. According to those fortunate few who have seen her, to know her is to love her, and with a single look you too will fall in love. This is because her heart is made of pure gold, thus making this creature the most adorable meerkat known to man--and woman.
Have you ever seen anything so amazing as Piv?
by keilschrifter October 16, 2014
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A dubious mercury-poisoning-like illness named after actor Jeremy Piven. The first documented case befell actor Jeremy Piven back in 2009 and caused him to miss several performances of the Broadway production of SPEED THE PLOW. While Piven claims that the illness is caused by eating too much sushi, it my be exacerbated by excessive partying, drinking, sex with prostitutes, and overall douchiness.
I can't go out for sushi with those whores again. I may get a case of the pivs.
by jdavisbruin February 23, 2012
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Pacote Ideológico Vanguardista - Conjunto de ideias inseparáveis entre si, que são adquiridas e aceitas de forma acrítica por uma determinada massa social homogeneizada auto-conclamada "de vanguarda".
"Sou libertário mas não sigo o PIV"
by ot4 July 9, 2015
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That ford contour is a PIV.
by Sally O March 7, 2008
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