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

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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

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug