The act of using a thumb, (left thumb preferred), to prevent leaks. Typically referred to when using it to stop the flow of blood from leaving the body.
My wife ran out of tampons last night, and had to use the Kentucky Plug until I could get back from the store with more.
by No One Important1995 May 21, 2021

A sex position invented after Kentucky Ballistics’ .50 Cal blew up in his face. The person receiving lays either on their back and their stomach, and the giver shoved their thumb in the preferred available hole, goes prone, and maintains the position until the nearest ambulance has been called to “meet them half way.”
“Oh man, Scott says he’s gonna give me the Kentucky Plug tonight. I’m ready to bust right in his face when he does.”
by TennesseeBallistics May 20, 2021

During sex, suddenly insert your thumb into the vagina, and keep pressure on this thumb placement for an extended period of time.
by Lee is a loser May 20, 2021

The sex position where you ram a thumb inside the recieving persons asshole in order to possibly save their life from an exploding barrel
"Damn Scott, your girl is walking funny! What did you do to her last night?"
"I gave her the Kentucky Plug"
"I gave her the Kentucky Plug"
by JXVX May 20, 2021

-Sex position: The man puts his thumb in any of the woman’s available holes.
-First Aid Procedure : put your thumb in to stop the bleeding.
-First Aid Procedure : put your thumb in to stop the bleeding.
“You’re getting the ‘Kentucky Plug’ tonight “
My friend saved himself by using the Kentucky Plug on his wound
My friend saved himself by using the Kentucky Plug on his wound
by pitblack_ May 20, 2021

by Bourbonstreetguttersnake May 20, 2021

A sex position and life saving tool used by YouTuber Kentucky Ballistics when his jugular vein was ripped by an exploding 50 cal.
Bob: "Hey, did you hear about how Kentucky Ballistics saved his life with his thumb?"
Ken: "Yeah! And my wife felt the Kentucky Plug too!"
Ken: "Yeah! And my wife felt the Kentucky Plug too!"
by Elimvp May 20, 2021
