Book Thumb

Book thumb is from holding open a book with your thumb and index finger for long periods of time, causing pain in your thumb muscle.

I've got terrible book thumb from so much reading.

by blueberrypancak September 2, 2013

thumb zombie

A person that idly scrolls through social media on a mobile device, often without even paying attention to the content. In extreme cases hours can be lost in this state. Interaction of any kind is impossible, one must wait for either a wifi drop out or battery low warning before engaging.

"Sue! You're such a thumb zombie, look at me when I talk to you!"

by Jcerrino December 23, 2016

gamekeeper's thumb

medical term: a tear of the ulnar collateral ligament of thumb, causing the thumb to bend sharply away from the plane of the hand

he tore the head off the rabbit and got a gamekeeper's thumb

by dadzone June 19, 2010

Thumb Bumm

When you put your thumb in someone’s ass while walking by... Like a Wet Willy but with your thumb in their butthole.

Yo.. I just did a Thumb Bumm drive by to this rando girl at the bar.

by BEANERSCHNITZEL June 6, 2018

Thumb Plug

When a male can not reach climax so he inserts thumb into his own ass to get himself there.

"She couldn't get me to cum last night, so I Thumb Plugged myself."

by Brdmn68 May 2, 2018

Kentucky Thumb

A sex position in which a thumb is deeply inserted into a vagina.

My dick wasn't big enough, so I gave her a Kentucky Thumb.

by Balooga420 May 20, 2021

thumb on deck

the act of placing pressure of one's thumb on their partner's asshole.

"Last night Richard put his thumb on deck."

by learn.twerk February 12, 2020