When you blow up your thumb with explosives so it swells and needs stitches, in order to use it sexually because your dick isn't big enough for her.
She was going to leave me because of my micro penis. So I threw some SLAPP rounds down range until my 50 exploded. Now my Kentucky thumb will keep us together for 2 more weeks.
by Kentucky Thumb May 20, 2021

While having sex in the doggie position, a man will slap his partners ass and immediately shove his thumb in his partners ass
Yea man, last night was crazy in bed. We were going hot and heavy until i gave her the "Kentucky thumb"
by Gunther05071 May 20, 2021

Taking your thumb and putting it in your bf/gf's holes, take your pick
"I just gave my girlfriend the good ol Kentucky thumb"
"I just gave my girlfriend the good ol Kentucky thumb"
by ALLOFUS_ May 20, 2021

by Bubba G Dang May 20, 2021

Getting choked out during sex by your partner or self from a thumb being applied to the jugular in a fashion similar to the lifesaving technique used by Kentucky Ballistics.
What’s that bruise from?
My boyfriend gave me the Kentucky Thumb last night after watching Gun Meme Review!
My boyfriend gave me the Kentucky Thumb last night after watching Gun Meme Review!
by FLgunMAN May 20, 2021

When you're hitting it from the back and you slip a thumb in.
Alternatively: then shrapnel from an exploding fire arm cuts your jugular artery, and you are forced you plug the wound with your thumb.
Alternatively: then shrapnel from an exploding fire arm cuts your jugular artery, and you are forced you plug the wound with your thumb.
by Brandon's boy May 20, 2021

Sex position using the thumb - taken from when Scott the host of Kentucky ballistics stuck his thumb into his neck after a 50cal accident.
by Vader’s helmet May 20, 2021
