It is to tuck in the front of your shirt while leaving the back undone closley resembling a "mullet".
"WOW that guy looks gorgeous with that tennessee tuck in, lets go talk to him."
by Fred Fame June 26, 2007
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A sex act between a man and a woman (both are wearing cowboy hats). The idea is to roll down a hill while maintaining penetration.
Man Sir Nichols, I sure had fun doing the Tennessee Tuck n Roll with you last night!
by Jerbear-money February 21, 2015
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