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To disapprove of anything and everything even remotely related to fun, enjoyment, and laughter.
Friend: "Wanna come puddle jumping with me?!"
The Hafer: "Puddle jumping? What are you, three?"
Other Friend: "Dude, you're such a Hafer. Stop Hafering."
Hafer by The Hafer October 25, 2012

Justin Hafer

The Utter Definition Of A Total And Complete Loser Who Is A Midget And Has No Life Or Friends. He Also Needs A Haircut.
That Short Faggot Over There Is A Total Justin Hafer.
Justin Hafer by Real Def's April 28, 2009

Charlie Hafer

The most handsome man alive. Any female that lays their eyes on him is instantly attracted and any dude that sees him gets jealous.
Charlie Hafer is one good looking dude.
A not-quite-believable fake news story, written with the intent to generate views. (AKA clickbait) Usually created from wannabe news organizations, whose journalists may or may not have served jail time.
Wow! That story I read about how to make $10,000/month from repeatedly filing civil lawsuits was sure a Hamer!
Hamer by All.Things January 8, 2021
a term which stupid people use to label ONCEs (twice's fandom) every time they lost in Choeaedol. a stupid term to use to accusse a fandom hAcKiNG
This group won because ONCES are hakers
Hakers by once HAKERS July 1, 2020

Bill hader 

Bill hader is the best, no one compares
Bill hader by randomfella ;) November 2, 2019
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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