The precise positioning of the penis between a woman's breasts in a stimulating effort to achieve sexual climax.
I can't believe Jake Upper-Decked Carol Cartwright to get a day off of school...
by Colin January 26, 2004
The act of masturbating with the aid of a woman's breasts.
Oh man, I can't believe he Upper Decked that girl...
by Colin January 22, 2004

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