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To keep your willy warm on those intimate nights with those one night stand slappers.
My dad asked me if he could borrow a willy sock as him and my mother wanted to naked hug.
by Willy sock maker March 05, 2010
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a sock designed to keep one's willy warm.
"gosh, my willy's so cold!"

"go put a willy sock on then"
by schlame February 19, 2007
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