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Firebook  

The addicting website that stomped Myspace into its final grave, called Facebook. The site that our world revolves around today. Also commonly referred to as Crackbook due to its overall addictive power.
Dude can I use your computer when your done?

Hold on I am checkin my Firebook... what do you need it for?

Man you know I've gota check up on my Firebook too... I might have a new comment from a chick thats straight FIRE!
Firebook by DurtySouthernPride January 27, 2009
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firmbook postage 

USPS Form 3877 Firm Book) Proof of mailing requiring round date and postal employee signature.

No one in the history of mankind has ever heard of the word firmbook postage, where on earth did you come up with that phrase?
Definition: The amount of postage applied not including other fee's associated with the mail piece.You must put the firmbook postage on the firmbook

Example a one ounce piece of Signature Confirmation mail is $0.52 plus a $1.35 fee for aquiring a signature at time of delivery.Total Postage on the mail piece is $1.87
firmbook postage by Chris Willis September 15, 2006
Related Words
a cooler way to say "facebook"

pronounced: fa-is-book
I went on ficebook today and wrote on my friend's wall
ficebook by Rokoo January 27, 2009
When the head is so fire you ook in her throat and it come out her nose.
Dude I head mopped savage an firesook like a runny nose.
Firesook by Titus dyfilid February 16, 2019
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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