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When you lose a boner in an awkward situation, then it rises in your pants again, randomly, like a phoenix.
"I thought i avoided that boner during my speech, but I got a penix during the last part."
by The Rise of the Penix April 18, 2010
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Dec 1 Word of the Day
"Man fuck Donald trump, he wants to build a wall and don't pay taxes!!"
by January 30, 2017
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for now and ever to be used as the plural for penis.
i was watching a midget bukkake video and i saw that bitch get poked in the face by at least ten penix
by mcgruff October 13, 2004
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A surname (last name). In the United States there are two families named Penix and there is some speculation that the two may actually be a single family. The strongest argument against that is the fact that there are two distinct races represented. Microsoft will suspend an Xbox Live gamertag with the name Penix in it as 'inappropriate', although they are happy to charge credit cards which bear the same name.
Scandalized Teacher During Roll Call First Day of School: "I'm sorry, how do you pronounce your last name?"

Unimpressed Student Who Has Dealt With This Crap Their Entire Life: "Penix. Like penis, but with a hard 'X' at the end."
by missipenix September 16, 2017
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A penis rising from the ashes after sex to fuck again.
I was so tired after the first time, but my penix was ready to go.
by AniD00m April 20, 2016
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