by Jackstifer Burtain May 20, 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 20, 2021

A sex potion where you stick your thumb into the anus of ones lover then explode your weapon all over their front.
by lloydstrife May 20, 2021

by ScioTv May 20, 2021

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 20, 2021

by Gage-. May 20, 2021

The act of shoving your thumb into a hole in the human body as far as it can go and then some more and holding it there firmly for good measure.
He Kentucky plugged the bullet hole so he would not bleed out on the way to the hospital.
My girlfriend was surprised when I gave her the Kentucky plug in the bedroom.
My girlfriend was surprised when I gave her the Kentucky plug in the bedroom.
by Biserker May 21, 2021
