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A sexual act during which one person's foot is inserted into a woman's vagina. In theory this act is done to keep the foot warm which is a necessity in Siberia.
John performed a siberian slipper in order to prevent frostbite.
by jamesgmoney March 26, 2009
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Aug 9 Word of the Day
Large, beautiful breasts that are keep well consealed and initially appear to be much smaller and less impressive than they actually are until unleashed.
I think Alicia may have some real sleepers.
by KABT October 26, 2007
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