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a fetish which involves having sex with any form of baked goods or pastry
She's really into yeastiality.
by Tassadar547 September 13, 2005
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The act in which an individual makes love with leavened culinary creations, such as cake.
Camera Man: You've even added a box. Yeastiality?
Actor: I will make love with a cake.
by Sam(from CH) November 20, 2009
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