1. *Sex position* The act of insertion of one's thumb into any sexually stimulating orifice of one's sexual partner during intercourse, similar to a "wet willy".
2. *Personal first aid* The act of inserting ones thumb into a fatal wound to stem the flow of blood long enough to reach medical professionals.
Coined by YouTuber Brandon Herrera for his friend Scott from the popular Gun-centric YouTube channel, "Kentucky Ballistics", where during a video shoot, his rifle exploded, lacerating his jugular and forcing him to stick his thumb into the wound.
Damn, she was getting real squirmy, so I decided to stick her with the Kentucky Plug
He was gushing all over the place and the ambulance was 5 minutes away, so I had to hit him with a good 'ole Kentucky Plug
When have sex with your partner you shove your thumb into the nearest hole like their life depends on it.
Bro, we were going hard then I gave her the "Kentucky Plug" and she almost fainted.
The Kentucky Plug is a sex position where the dominating partner puts his thumb in a non natural hole during the act: Stoma, open wounds, etc. This of course refers to Kentucky Ballistics and the 50 Cal SLAP round interesting where he was required to stuff his thumb in his neck to stop the bleeding.
Verb: Johnny was hitting it from the front when he Kentucky Plugged Charyl's Stoma.
Noun: He nicked an artery after giving me a kentucky plug.
The Official Sexual Terminology for when only the thumb is used
"Just gave my wife the Kentucky Plug, now she's expecting an upgraded ring"
During intercourse the male shoots his load on the woman’s neck and immediately uses his thumb to smear it around.
Brandon “Kentucky Plugged” donut last night.
...durring sex when you jam your thumb down her throat.
so there I was giving Brandon's mom the Kentucky Plug....
A quasi deviant sexual position involving a 50 BMG, Remington oil, and a consensual and trusting couple, one of which has an unusually large thumb.
Brandon Herrera invited his special friend to experience his version of the Kentucky Plug.