Sticking your thumb up an ass, named after Kentucky Ballistics .50 BMG slap round incident where he saved his life by putting a thumb in his jugular vein
The Kentucky Plug is where you stick a thumb in a hole to stop something from coming out. This also can relate to plugging a woman’s vaginale canal to prevent seepage of fluid.
Scott Kentucky Plugged his neck to stop the bleeding. Scott Kentucky Plugged her pussy and ass to stop the seepage.
When you cum inside a girl’s vagina and instead of letting it run out, you take your thumb and plug the hole to make sure it stays in her vagina
Dude, I was fucking a girl last night and she was on top and I was cumming, not being gay and wanting cum to touch me, I gave her the old Kentucky Plug so I stayed clean