by ScioTv 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 Stick a thumb in it. 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

it is when you are having sex with your female partner and you stick your thumb up her ass or her vagina
by kingfatty1 May 20, 2021
