m1 thumb

When you get your thumb stuck in the chamber while you reload an M1 Garand.

Yesterday me and the boys were shootin' the ol' M1 and I got the M1 thumb.

by bootyslammer777 June 9, 2019

Kentucky Thumb

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.

Kentucky ballistics performed a Kentucky Thumb to avoid forever sleep on camera.

by that boy billy jenkins May 20, 2021

Thumb Cunt

A Women with a clit the size of a average size thumb

"I was banging this chick and the whole i could feel her thumb cunt pressing against me"

by ChickenChoker9000 May 8, 2018

thumb a lift

do a signal with your thumb for a vehicle to stop and give you a free lift

I did no intend to thumb a lift

by veronica1292 February 5, 2017

Thumbs-downer

A person that isn’t great, but doesn’t deserve anything less than a thumbs down.

Yeah, you see Scott over there? Now THAT is a real thumbs-downer.

by pancakedonahue February 8, 2023

White Thumb

1. (n.) When your thumb gets semen all over it after a person (typically male) masturbates

2. (n.) A person with a lot of experience in masturbating

1. "I had a White Thumb last night after I masturbated"

2. "I've been masturbating for so long I have a white thumb

by Omnisexual-Man February 16, 2024

Kentucky thumb

The act of, rather than sticking your thumb in her ass while you're fucking her, you pull out, shove it in her ass, and plug her vagina with your thumb

"Brandon, you wouldn't believe it, last night I gave Megan the Kentucky thumb and she liked it"

by Boost_and_chill May 20, 2021