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1-n.Male or female person who is turned on by a well-filled cashmere or merino sweater, and uses his or her sweater during sex to arouse the sex organs and tease the other partner, and even may masturbate to climax on such sweater, if the person who owns it is or isn't present.

2. adj.A word to describe the fuckability of a person,
such as her figure indicates she would be a great sweaterfucker.
If I could get Don to buy it for you, Susan, that cashmere could help you become a horny sweaterfucker.
by Bill Black December 21, 2006
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