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noun

Something that giving a thumbs up to is greatly ironic.
The definitions of "thumb-kin" are thumb-kins.
Thumb-kin by Palec Smuk December 13, 2008
noun

Something that giving a thumbs up to is greatly ironic.
The definitions of "thumb-kin" are thumb-kins.
thumb-kin by Palec Smuk December 14, 2008

Somebody once told me the world was gonna roll me i aint the sharpest tool in the shed she was looking kind of dumb with her finger and her thumb in the shape on an l on her forehead.

The first verse of the song "Smash Mouth" by "All Star"
"Somebody once told me the world was gonna roll me i aint the sharpest tool in the shed she was looking kind of dumb with her finger and her thumb in the shape on an l on her forehead."
Bob: "WHAT IS THIS?"
Sharyl: "GOD'S SINGING VOICE"
Bob: "AHHHHHHHHHHHHHH" *eyes melt out of head*

Somebody once told me the world was gonna roll me i aint the sharpest tool in the shed she was looking kind of dumb with her finger and her thumb in the shape on an l on her forehead.

The first song of the verse "All Star" by "Shrek: The Movie"
Somebody once told me the world was gonna roll me i aint the sharpest tool in the shed she was looking kind of dumb with her finger and her thumb in the shape on an l on her forehead.
ORly bro

thumbkin 

The act one sticking one's thumb up someone's ass. Similar to wedgies and wet-willies, thumbkins are generally considered more 'classy' and are often used in gentlemenly situations.
"I say, I do believe I have received a thumbkin!"

"Thankyou sir may I have another?"
thumbkin by Son September 13, 2003

Thumbkin 

Performing the act of splinting on a consensual female partner, while performing oral sex on her. This involves inserting your thumb into her vagina, pushing down towards the anus to help her relieve constipation, while sucking on her clit.
"My lady was horny as hell, but also constipated so I offered to give her a thumbkin. The simultaneous orgasm and poop drove her absolutely wild with pleasure!"

"I bet it did! You're an inspiration to us all my friend."
Thumbkin by MarkHanna June 7, 2021
More from Urban Dictionary

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
Literally "dirty" pronounced with a West Indian accent. Can also have a positive connotation, for example Sean Paul's album title "Dutty Rock".
"The girl is pretty but she corrupt and dutty!"

or, in a positive usage:

"Booya! That freestyle was dutty!"
Dutty by J Hall April 3, 2003
Word of the Day on October 1, 2026
korean word for madam, older woman
Ajumma wait a moment
Ajumma by aintnotinbutnice July 5, 2009
Word of the Day on September 30, 2026

Slop Grenade

When someone uses AI to generate a large document, slide deck, or piece of code/software and tosses it over the fence for you to deal with.
Chad: Hey Brent I sent you the new backend API change to review, it’s only 100 files changed.

Brent: he just tossed me a slop grenade
Slop Grenade by Joe Squid September 28, 2026
Word of the Day on September 29, 2026
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