Top Definition
When two individuals have sexual intercourse in the cowgirl position at the base of the Lincoln Memorial while waving several American flags.
"Nothin' says God Bless America like a good ole Uncle Sam Slam!"
by M-Chill December 21, 2012

The Urban Dictionary Mug

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

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

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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