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 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

unintentional thumb

Accidentally bumping the unneccesarily accessible thumbs up/"like" button while using Facebook messenger.

Friend: my dog just got hit by a car.
You: (Thumbs up!)
Friend: .... :|
You: aghhhhh sorry, unintentional thumb
Friend: that thing is unneccesarily accessible.

by LoFrankly March 28, 2015

Thumb licker

Thumb licker: (noun) a person who puts both of their thumbs in their own mouth then shoves them up their partners,friends, peers, ect. asshole then licks their thumbs again.

Tyler is on that freak shit he's a Thumb licker.

by Thumblicker23 November 12, 2017

Thumbs up

Your a sexy cunt

If your thumbs up your a sexy cunt

by Grrr pow May 2, 2022