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The person who loves to have sex with animals, or gets aroused by animals.

It also refers to the ones who find the similar kind of enticement or excitation in certain animal-like acts of people. (Its may be a bizarre statement, but trust me it so happens with a lot of folks.)

Thus just like Homo-sexual for same sexes, they are Fauna+sexual for the Fauna meaning animals.
The lonely woman of that mansion spends a little too much time with her dog. I bet she does all that with it, she's such a Faunosexual.
by Atinb August 30, 2008
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