When you're partaking in intercourse (ideally doggy style) , and you shove a .50 BMG round into the prostrate participants anus, followed by your thumb for maximum depth.
Man, I was railing this chick last night and she said she liked guns, so I took out the .50 BMG and Kentucky Plugged her ass
by MrWine May 20, 2021

WHEN YOU HAVE A SEVERED ARTERY AND NO WAY TO STOP THE BLEEDING, PUT YOUR THUMB IN IT. ALSO KNOWN AS, A KENTUCKY PLUG.
HEY DID YOU HEAR ABOUT KENTUCKY BALLISTICS HE HAD TO UES A KENTUCKY PLUG IN HIS JUGGULAR TO STOP THE BLEEDING IN HIS NECK
by ROCK_HOPPER May 20, 2021

The Kentucky plug is when a thumb goes through the cervix and into the fallopian tubes, the most effective type of birth control. This references the accident Kentucky Ballistics had with a SLAP bullet.
by Mr. Phun May 20, 2021

by Pls i wanted to make the funny May 20, 2021

The precise art of putting your thumb in a hole as to prevent the rapid exit of bodily fluid, as shown by Scott from Kentucky Ballistics
The misses was about to squirt but i couldn’t have that over my shirt, so i gave her the Kentucky plug
by Whohancutman May 20, 2021

“I Gave Her The Good Old Kentucky Plug Last Night And She Loved it”
“I Had A Hole In My Jugular So I Just Gave It The Kentucky Plug”
“I Had A Hole In My Jugular So I Just Gave It The Kentucky Plug”
by Jungle Justin May 20, 2021

When a person shoves their thumb down their partner's/own vagina when said partner/person is on their period. The 'Kentucky Plug' also applies to men who eat Chipotle or Taco Bell on a daily basis. The Kentucky Plug is not used for sexual enjoyment but for a tactical advantage over your enemy.
I watched Kentucky Ballistics stick his thumb down his jugular to stop the bleeding so I pulled a Kentucky Plug on my explosive asshole!
by Supreme Kids are Gay May 20, 2021
