Gamer Thumb

When you twerk the nipple so long that your thumb gets tired.

You better slow down baby, or you’re going to get gamer thumb.

by Sonofsaiyan October 6, 2020

Kentucky Thumb

While having sex in the doggie position, a man will slap his partners ass and immediately shove his thumb in his partners ass

Yea man, last night was crazy in bed. We were going hot and heavy until i gave her the "Kentucky thumb"

by Gunther05071 May 20, 2021

thumb sucking at an old age

when you still suck your thumb at an old age such as 5-11

me: I suck my thumb. Them: oh so u have a thumb sucking at an old age me: yes

by JON DOH7487387847847 March 31, 2022

dusty thumb

A mid to late 30s white male with a receding hairline, and to top it off a head shaped like a thumb.

Wow look at that bloke, he looks like a dusty thumb!

by Ladyford September 23, 2017

Extreme thumb war

Two males thumb war and the loser gets fucked in the ass

Me and john played extreme thumb war last night, man it sucks to lose

by Fortnite>women February 12, 2018

Kentucky Thumb

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

Thumb in the Can

A phrase used to describe the finality of a decision made by someone.

Once someone has made a decision and can not back out of it.

Derives from the immature act of sticking one's thumb in a can and attempting to pull it back out.

Jim: Why don't you just leave her?
Ted: I can't mate, I've got my thumb in the can now.

Wish I'd have said no to that promotion...now I've got my thumb in the can.

by JohnJoeTheGood May 13, 2019