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Predalingus 

A sexual act, similar to cunnilingus, wherein the 'performer' places the backs of both hands to their cheeks and inserts all of their fingers and their tongue into the female genitalia, and shouts "blarffl" in an impression of the eponymous villain from the 1987 Arnold Schwarzenegger classic 'Predator'.
"BLARFFL BLARFFL BLARFFUNKL"

- Dude, I totally gave this chick mad predalingus last night!
- That's balls nasty, man. Yous a player and no mistake!
Predalingus by cipher_d June 10, 2009

Penillingus 

Mouth to penis sex;fellatio;a blow job
I scored some penillingus off that
blonde last night.
Penillingus by The Bald Monk October 16, 2003

perilingus 

when a man goes down on another man's perineum. As opposed to cunnilingus.
"Dave, do you fancy some perilingus tonight?"
perilingus by Tim2345 October 3, 2006

Perditingus 

A feeling of absolute uncomfortableness and hatred. (N) or (adj) Purditingus is the plural form. Singular would be perditingí.
When a person molested me on the train, I automatically felt perditingus for that person.

punilingus 

(n.) The act of orally stimulating the vulva or the vagina through the usage of shrewd puns that titillate the senses.
Officer John Titwhistle: "Dude, you're being indicted."

Gary Fortcox: "What for? I've never broken the law in my life!"

Officer John Titwhistle: "Your pun was too good."

Gary Fortcox: "But I make puns all the time."

Officer John Titwhistle: "Yes, but this one was so good that unconsentual punilingus was achieved."

Gary Fortcox: *Contrite sigh*...
punilingus by Blunt Cunt March 24, 2009

penilingus 

Artic term for the common langauge spoken by Penguins. Combination of two latin roots, Peni-meaning small black creature and the latin term linguis refers to the tongue.
The penguin from the artic speaks penilingus.
penilingus by Peterphilpoon May 23, 2008
More from Urban Dictionary
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026

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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