Thumb's up

While popularly used as the term for approval (thumb's down for disapproval ) Not many know that in rap or in Fighting word's thumb's up means safety off due to the motion of taking the safety off is putting your thumb's up.

Man, I jumped out the car and went thumb's up real quick. Bout to be blood in these street's.

by AllFatherOfFighting October 21, 2018

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 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

boobs on thumb

When youtubers use a picture of boobs as their thumbnail to attract perverted viewers to their videos and increase the number of views they get

boobs on thumb

by phillipm August 23, 2014

Thumb swoop

To try to sneakily give a girl the shocker.

Last night I hit my girl with the thumb swoop.

by Nutsack93 October 12, 2023

thumb cup

A cup in which you put your thumbs in cold water after burning them on a hot bowl of ramen noodles after putting them in the boiling water.

I burned my hand on a bowl of ramen so i had to use the thumb cup.

by Picodegio December 28, 2017

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