by #65 May 20, 2021
Using your thumb (primarily someone from Kentucky) to plug any holes on the human body whether in sexual or non-sexual context.
Brandon: Hey Scott, I gave my wife the good ol' Kentucky thumb after your "incident"
Scott: That's great man, I'm happy to hear that.
Scott: That's great man, I'm happy to hear that.
by Jaybran61 May 20, 2021
by whoreforone October 12, 2022
by JefferyLamarWilliams June 12, 2020
Taken from a faulty SLAPP round the "Kentucky thumb" is when the man is about to conclude the sexual act and he jams his thumb up her arse.
by Gerald4War May 20, 2021
by YourMomsTampon April 6, 2023