When you blow up your thumb with explosives so it swells and needs stitches, in order to use it sexually because your dick isn't big enough for her.
She was going to leave me because of my micro penis. So I threw some SLAPP rounds down range until my 50 exploded. Now my Kentucky thumb will keep us together for 2 more weeks.
by Kentucky Thumb May 20, 2021

The use of one's thumbs to herd cows on your ipod in the game Cows vs. Aliens. Whereas, on the ipad, the use of all fingers is possible.
by Brain Stew July 24, 2011

by Txayvs April 11, 2022

Thumb me dumbly is the acting of taking the nearest mentally challenged person (or group of persons depending on how fucked up you are) and having he/she/them insert their thumbs into your anal cavity
Guy 1: so what did you get up to last weekend bro?
Guy 2: I went to the loony bin and got a few retards to thumb me dumbly
Guy 1: you’re a sick little cunt you are
Guy 2: I went to the loony bin and got a few retards to thumb me dumbly
Guy 1: you’re a sick little cunt you are
by Hugelymassivedick February 14, 2019

When all of your friends are talking about if they’re going to do a legs day or a chest day at the gym, and you tell them you’re just going to play Xbox all day.
Nah I’m not going to the gym, it’s a thumbs day for me. I’ve been light on cardio also so I might walk to the microwave soon.
by itspoeticjustice July 17, 2016

The process of using your thumbs to message someone via text, IM, etc.
Much like texting someone but the action can be included in activities involving internet on a computer and a full sized keyboard.
Much like texting someone but the action can be included in activities involving internet on a computer and a full sized keyboard.
I sent you a message on the computer last night but yuo logged off without reading it so i thumb-buttoned you instead.
John was cyber-thumb-buttoning Heather last night. He told me they thumb-buttioned for hours.
John was cyber-thumb-buttoning Heather last night. He told me they thumb-buttioned for hours.
by Yosemishu March 8, 2009

A sex position involving shoving your thumb into certain holes. Named after youtuber Kentucky Ballistics after shoving his thumb into his neck after his 50 cal exploded
by MemesAreCancer May 20, 2021
