Top Definition
The act of participating in sexual intercourse with an animal which is not normally considered a domestic or farmed animal.
1. Dude! That zebra was hitting her so hard! It was some of the nastiest zoosex I've ever seen!

2. The farmer had zoosex with a flamingo in front of his wife and prize cow.

3. Man! That chick I fucked was so ugly it was practically zoosex!
by Anonymous Vomitus December 11, 2009

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