When you jerk off over your pants using just your thumb. This is commonly used by those who have an inability to release sperm.
When I was sleeping with my parents in third grade, I used the thumb method so I could get off without them knowing.
by anonymous October 5, 2020
by Jizzñe____007 June 7, 2024
by YourMomsTampon April 6, 2023
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
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 #65 May 20, 2021