Kentucky thumb

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

kentucky thumb

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.

"I panicked and just screamed KENFOLK and gave her the Kentucky thumb"

by Gerald4War May 20, 2021

Kentucky Thumb

When you a girl is riding cowgirl and you sneakily put your thumb up her ass.

Brandon: "I gave her the Kentucky Thumb last night"
Cody: "You sick fuck"

by Not Guitarist Ryan May 20, 2021

Kentucky Thumb

A sexual position where the male inserts his thumb into the female’s vagina during her period.

Scott gave me the Kentucky Thumb last night!

by BiggdadDphatsak May 20, 2021

kentucky thumb

When you're getting spicy in the bedroom and your slap rounds hitting her ass just aren't enough.

Come on baby give me that "Kentucky Thumb"!

by cumdiddlediddle May 20, 2021

kentucky thumb

The use of your thumb during sex with a virgin to prevent bleeding

Guy 1: ayo bro, I gave her the kentucky thumb

Guy 2: I heard about that from ak Jesus, that's sick bro

by Sp1cy_wat3r May 20, 2021

Kentucky Thumb

Using just your thumb to really get as deep as possible and not allow any fluids to escape ;)

Brandon totally Kentucky Thumbed her last night dude! I heard she made a real mess afterword's.

by AlexD5555 May 20, 2021