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be over the moon 

be (or jump) over the moon - be very happy.
feeling, showing, or expressing extreme joy; very pleased
This person was lean and brown, his eyes were extremely clear; he held himself very straight and looked fit to be over the moon. (J. Galsworthy, ‘The Little Man and Other Stories’, ‘The Perfect One’

‘It's only a few weeks since you were over the moon about Davina.’ ‘Well, now I'm not.’ (P. H. Johnson, ‘The Survival of the Fittest’, part VI, ch. V)
be over the moon by Inessik February 26, 2009
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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
Related Words
be over the moon • Someday i will be over the sea • sometimes it’s okay to be a bit selfish and there will be times over the next 12 months when you really must put your own interests first no matter what that might mean for other people. What you do for yourself will benefit them too later on • .9.<.7.9.7.6.>《.7.9.7.6.》An inner fear of failure or outside interference from rivals will be swept away over the next 12 months. The path to success is right there in front of you《.7.9.7.6.》<.7.9.7.6.>.9. • You may be tempted to streamline your affairs over the coming year but don’t go to extremes. Instead, be pragmatic and aim to reform your life just a day at a time. That way you are less likely to throw out things you are still going to need. • <.8.7.>you may be tempted to streamline your affairs over the coming year but don’t go to extremes. Instead, be pragmatic and aim to reform your life just a day at a time. That way you are less likely to throw out things you are still going to need<.8.7.> • Relationships could get a bit tricky over the next few days, so promise yourself that no matter what loved ones might say you won’t overreact and make things worse than they need to be. Smile serenely and pretend that nothing bothers you in the slightest. • short trips will lead to new friendships that will be hugely beneficial to you over the coming 12 months. The more you are on the move and interacting with people in your community the more fun you will have and the more profit you will make. • The Sun’s move into your birth sign will encourage you to believe that amazing things are going to happen, and they are! If you think big and act big over the next few days then no ambition will be beyond you. The universe is on your side. • A Mercury And Pluto link on your birthday means there is a specific path you must follow over the coming year. The nature of that path will be made clear to you over the next few days, so keep your eyes and ears open and be ready to move fast.

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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