A crude/derogatory term for an unhealthy (possibly infected) abnormally large vagina.
This thing is drippin' like a Mississippi kooch.

Whew!!! The sushi sitting in the sun all day smells like some Mississippi kooch.

Listen to that echo! I haven't heard an echo that clear since I yelled into a Mississippi kooch.
by KarateWerewolfRobot March 8, 2010
Get the Mississippi Kooch mug.