When you shoot a women in the neck during sex and proceed to violently fuck the shit out of her neck hole with your thumb shaped dick.
"Hey did you see that Brandon Herrera porno where he gave her the Kentucky Thumb?"
"No Brian. Why the fuck would I want to see that"
by Solver20 May 20, 2021
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The Kentucky Thumb: The Sexual Act of Sticking your thumb into ass of a person before they shit
Brandon: Bro I Gave Scott the Kentucky Thumb Last night

Donut: Dude that's so hot, you should do me next
by quinnthespin May 21, 2021
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The act of sticking your thumb into a smaller hole to fill it. Named after the youtube creator Kentucky Ballistics in honor of his thumb that saved his life.
Give em the Kentucky Thumb and just put a thumb in it.
by BalisongAssassin May 21, 2021
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For when she is on her period and you finger her with your thumb
Scott: “After she blew, I gave her the olKentucky Thumb!”
Brandon: “Wow.”
by distopoeia May 20, 2021
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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
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putting your thumb in a girl's vagina while she is on her period to stop the bleeding
My girlfriend wanted to sit on my face last night but she was on her period, so I gave her the Kentucky thumb and ate her ass instead.
by drunkfish45 May 20, 2021
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When you make your girl squirt so hard and then ya bottle her up by jammin your big fat .500 magnum recoil-handling man thumb she starts squirting out other holes and screams "ITS WAAAATERMELON TIIIIME!!!"
Brandon boinked her so hard last night he gave her the ol Kentucky thumb and all of a sudden she had a watermelon craving.. weird right?
by Scott the hero May 20, 2021
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