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 21, 2021
by SP-1124 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
What Scott’s do when they may or may not slice there jugular shooting some not so slapping slap rounds
by Potatochipz101 May 20, 2021
by Butterplug May 21, 2021
by Hairerra May 21, 2021
When a slap round sends parts of your 50. BMG Into your body and you jam your thumb into your neck to avoid forever sleep.
by that boy billy jenkins May 20, 2021