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 22, 2012
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What goes on in the Baggins Hobbit Hole behind closed circular doors.
Sam was kind of an indentured servant until he learned how to avoid using his teeth on Mr. Frodo during his "servitude" He was finally freed of his bondage but would live with the scars of the Frodo and Sam slam, as they called it in the shire.
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