When you have an accident and almost die when shooting your .50bmg and have a hole in your neck, or when you use said thumb for unholy purposes
by Brandon_likes_ar’s_and_men May 20, 2021

by Scott Allen DeShields, Jr. May 20, 2021

by SQUIRRELMODE May 20, 2021

by Butterplug May 20, 2021

When you sever an artery, plug the bleeding artery, and then shove it up a girls ass while firing slap rounds out of your .50 cal
Person 1: Have you heard about Scott?
Person 2: Yeah He gave his wife the Kentucky Thumb a few weeks ago
Person 1: Have you heard about Scott?
Person 2: Yeah He gave his wife the Kentucky Thumb a few weeks ago
by GUNMEMEREVIEW May 20, 2021

by Durban Bictionary May 20, 2021

Using your thumb (primarily someone from Kentucky) to plug any holes on the human body whether in sexual or non-sexual context.
Brandon: Hey Scott, I gave my wife the good ol' Kentucky thumb after your "incident"
Scott: That's great man, I'm happy to hear that.
Scott: That's great man, I'm happy to hear that.
by Jaybran61 May 20, 2021
