When your .50 blows a hole in your throat and you have to shove your thumb in it to keep from bleeding out of your jugular
Scott almost died from his .50 but he gave himself a Kentucky Thumb
A form of erotic asphyxiation, in which someone uses the dominant thumb to jab into the throat of a partner (or self) to cut breathing and gain sexual arousal.
Also see Kentucky Thumb in the Bum: when a person inserts a thumb into their partners anus during scat play, to plug the flow of feces.
My relationship with Courtney has never been more alive ever since I gave her the ol Kentucky Thumb.
the practice of inserting your thumb into a woman’s rear, just as Kentucky Ballistics did to save his life.
“Hey Josh, did you hear Brandon Herrera gave Megan Fox the Kentucky Thumb last night?”
sexual position in which you stick a thumb in your partner's hole (without discrimitation)
"Yesterday evening I gave her the Kentucky Thumb, but she said it wasn't very plesurable"
When your girls on her period but she's out of tampons so you have to stick a thumb in it
Aunt Flow came early this month and Lisa was lacking so I had to give her the Kentucky Thumb.
When you are hitting it from the back on the red week but the vodka dick hits or you slip out and you don't want blood on your nice white sheets, so you stick a thumb in it to stop the red tide.
"I was having fun with my girl during that time of the month and slipped out so I gave her the Kentucky Thumb."
Shoving your thumb into a hole. To save your life or just for fun.
The 50 cal exploded and He used the ol' Kentucky Thumb to save the day.