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 Durban Bictionary May 20, 2021

When you're nailing your sister from behind and you slip in the back "accidentally" so you shove your thumb in her asshole so blood doesn't get on your bed.
Had an accidental intrusion with sis last night and had to give her the Kentucky thumb to keep the sheets clean
by Imprezaraptor May 20, 2021

Shoving your thumb deep into yourself or another person with a lot of force, can be in a sexual or life saving situation
Brandon - Man, you don't look so good
Scott - Yeah, when my girlfriend gave me a Kentucky Thumb last night
Scott - Yeah, when my girlfriend gave me a Kentucky Thumb last night
by qwertybears280 May 20, 2021

When a person bends over, gets their ass slapped then a thumb up the butt while receiving a hickey on the neck.
by AKSquad May 20, 2021

Noun: A sex act. One partner uses their non dominant thumb by inserting their thumb into the anus of the other partner while giving oral sex.
The dominant partner performs a Kentucky Thumb applies pressure to the anal interior with the thumb and places the remaining 4 fingers one of the posterior cheeks, gripping it like a Basketball. All while preforming oral sex on the recipient. This position can be done in either the 69 position or in the standing position.
by TheDuke44Mag May 20, 2021
