The Kentucky thumb is after a sexual maneuver you stick your thumb in her anus to make sure she is all right
Hey Scott, I heard you gave your girl the Kentucky thumb last night
by Goddangitbobby May 20, 2021
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Inserting your thumb into a wound to stop or slow the bleeding.
She ran out of tampons so I gave her the Kentucky Thumb.
by KW76 May 20, 2021
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When you're getting hot and heavy with a girl and she starts her period so sticking your thumb up her vagina to stop the bleeding.
I was starting to have sex with a girl off tinder when she suddenly started her period, I gave the the Kentucky thumb and let her give me head instead.
by SSGBB May 21, 2021
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The Kentucky thumb is used to plug gaping holes in jugular veins of Kentucky people after a firearm detonation.
My .50Cal blew up and I had to use The Kentucky Thumb to keep me alive on the way to the hospital.
by Dorkydog May 20, 2021
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When your boom stick booms the wrong way, and you have to stick your thumb inside the whole in your neck.
Did you see the new ak-50?

Ya right before the Kentucky thumb.
by Lemomlimepie6 May 21, 2021
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When you have a girl in doggy and you put your thumb in her ass and press hard inside.
Bro that girl last night was freaky, I gave her the Kentucky thumb and she loved it.
by Don’t_worry May 21, 2021
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As defined by the AK guy, a life-saving thumb that enters your jugular to stop yourself from bleeding out after firing an over-powdered .50 caliber SLAP round which explodes your bolt action Serbu RN-50. This thumb is necessary to saving your life since a fragment of the exploding bolt action rifle has lacerated your jugular, so without your Kentucky Thumb you would've die on the interstate driving to the nearest hospital as your father speeds past triple digits in your Silverado
Oh damn babe, look at that Kentucky thumb! you can come over to my place later ;)
by Sliding Bandit May 21, 2021
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