The act of using your thumb to seal your sexual partner's vagina while having anal sex on her period, as a way to not get your sheets dirty.
Man this bitch the other night... I don't know I guess it was her time of the month so I had to use The Kentucky Plug on her so I didn't have to wash my sheets in the morning
by Dryphu May 21, 2021
Whenever someone just puts a thumb in any kind of void that requires filling, including but not limited to: an anal cavity, your cousin’s genitalia, the eye socket of an enemy, or your own wound from an exploding firearm
by BasicBassist5 May 21, 2021
by Slenderkiller May 20, 2021
A Kentucky plug is where somebody wraps their thumb or entire hand with a shirt or cloth of some type and proceeds to insert thumb into the rectum.
by SquirrelFuu May 20, 2021
by ScioTv May 20, 2021
A form vaginal or anal play, using ones thumb to "plug up the whole." This term is inspired by the popular YouTube channel Kentucky Ballistics. After suffering a nearly fatal .50 caliber related accident, the YouTuber stuck his thumb into the hole in his throat. So the term "Kentucky Plug" means to stick your thumb up your partner's hole, and plug it almost as well as Kentucky Ballistics plugged his throat.
by mydoodda May 20, 2021
The use of a thumb to plug an anus after generously filling it with semen, as to not let it leak the life juice.
by BBQalbatross May 20, 2021