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horse head 

when teeth scrape a males dick.
“man she gave horse head...it hurt to bad!!”
horse head by Reginahoe February 1, 2018

Horse Head in the Bed 

When a woman stuffs her ponytails into her mouth and then gives oral to a dude.
Katie's hair is full of jiz because she just gave Jeff a Horse Head in the Bed.
Horse Head in the Bed by jeffye September 10, 2011

A horse's head going down the drain 

When something is very unlikely to happen or unbelievable.
That's so crazy it's like a horse's head going down the drain.

The Horse's Head

Used to describe the best thing within a series, often media-related.
Friend 1: "You know the Fallout series?"
Friend 2: "Yeah, I do. I really think that New Vegas is the best."
Friend 1: "Well, everyone knows Fallout Shelter is The Horse's Head."
The Horse's Head by KingBonar April 3, 2026

The Horse's Head

Within a series, The Horse's Head usually refers to the best piece of media. Outside of a series, it can refer to something of high quality.
Friend 1: "You know, I personally think that Fallout: New Vegas is the best game."
Friend 2: "Real fans know Fallout Shelter is The Horse's Head."
The Horse's Head by KingBonar April 3, 2026

house head 

A person who eats, sleeps, shits, and breathes House Music
Yo, I'm the biggest House Head in KC!
house head by Jesse Sherrick May 20, 2005
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
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
After we broke up, he was floxi to me.
floxi by Dr. Geek May 13, 2009
Word of the Day on September 28, 2026
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