American Dad Wikia
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Rosie

Rosie is a calf that Stan purchased to make Steve and his friends into men in "The Magnificent Steven". Unfortunately, Stan purchased the cows after they had been tainted with "mad cow" disease. When the boys wish to eat, Stan has Barry slaughter Rosie much to Barry's horror. After eating Rosie after the boys decline, Stan loses his mind and has to be rescued by the boys.

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