A Tennessee Rat Tail is when a man or woman takes a shit and takes the fecal matter and rolls it into a long stringy turd, and freezes it for strength. The shitter will then take their creation and insert it into their partners rectum, vagina, mouth, etc.
Dad: That's a nice Play-Doh Tennessee Rat Tail you made there. Your mother loves those.
A frequently heard suggestion, made by one incarcerated person to another when contraband is passed and needs to be quickly hidden from the light of day from those in authority.
Here’s the radio you requested from Big Bubba, but you better tuck it up your tail pretty quick because here comes Sgt. Pimpleface!