Putting a thumb in your anus to stimulate the vasovagal response to the point to slow your heart rate down to prevent shock or death from bleeding, can also be used for pleasure also.
by Nightmed May 20, 2021

The Kentucky thumb is an act of vaginal fisting that requires your thumb on the the clit and your fingers in a fist. Your welcome Brandon👍
by Corbinskee7tree May 20, 2021

A sex position invented by kentucky ballistics where one inserts his/her thumb down someones jugular
-Hey Nick, how is it going with your new girl?
*IDK man, she tried to get me into doing the kentucky thumb on her last night
*IDK man, she tried to get me into doing the kentucky thumb on her last night
by Joshkiej May 20, 2021

by Yamal is May 20, 2021

by Scott Allen DeShields, Jr. May 20, 2021

When you have an accident and almost die when shooting your .50bmg and have a hole in your neck, or when you use said thumb for unholy purposes
by Brandon_likes_ar’s_and_men May 20, 2021

1 Kentucky ballistics shoving his thumb into his neck to stop the bleeding after his 50 cal exploded and cut his jugular in half
2 The act of sticking you thumb into a girl's butt
2 The act of sticking you thumb into a girl's butt
1 brandon: hey did you see the video kentucky ballistics 50 exploded?
Cody: yea that's and the reason he's still here is because he gave himself the kentucky thumb
Cody: yea that's and the reason he's still here is because he gave himself the kentucky thumb
by Derpytaco23 May 20, 2021
