Silicone Thumb

That person who always knows what's wrong with your computer as you watched too much porn/are a sucker for pop-ups. Seemingly solves any issue with ease.

hey my computers fixed now thanks to luke, he's got such a silicone thumb.

by ldf13 July 5, 2011

Thumb-Bummin

When one is bored and lonely so one masturbates with a thumb wedged knuckle-deep into one's own anus.

I told them I fell asleep early because I didn't want them to know I spent all night Thumb-Bummin.

by J. M. Fuhqueny November 5, 2023

Thumb Llama

When you insert your thumb into your partner’s rectum, and proceed to spit on them simultaneously.

“Bro I totally gave this bitch the sickest thumb llama last night”

by coqnbalz December 19, 2022

Pinky thumb

A unit of measurement which is defined by the maximum distance between your pinky and thumb. (Also resembles a'shaka')

Jacob: Corey, how wide is that table?
Corey: Ahhh it's about 5 pinky thumbs.

by TheOkGatsby September 6, 2021

Kentucky Thumb

sexual position in which you stick a thumb in your partner's hole (without discrimitation)

"Yesterday evening I gave her the Kentucky Thumb, but she said it wasn't very plesurable"

by Paul McCabbage January 19, 2022

Thumb pluck

The act of sticking your thumb In your partners ass then pulling ass really fast so shit comes out

Omg,Britney Chad Thumb plucked me last night and honestly I think I like it.

by Brad Nips April 13, 2022

Thumb bucket

Used when referencing a booty hole; derived from the act of inserting your thumb in someone’s ass while doing it from behind.

That shella had a thumb bucket big enough for two baby! Almost had me nose diving!

by BraveheartX January 21, 2021