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To be sexual attracted to penguins or people in penguin costumes.

To have a penguin fetish
Sarah- "Omg! When we were watching that penguin documentary John totally got a boner! You could soo see it through his pants! What a freak!"

Tanner- "Dont you know! John is a penguisexual!"

Sarah- "I had no idea!"
by thatonekid53826 January 23, 2014
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