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Jekyll & Hyde 

Jekyll & Hyde was a Broadway musical in the late 90's written and composed by Leslie Bricusse and Frank Wildhorn. It's based (if rather loosely) on the novel "The Strange Case of Dr. Jekyll and Mr. Hyde" by Robert Louis Stevenson. The musical enjoyed a decent Broadway run and was a rather good show.
Unfortunatly, towards the end of its run David Hasselhoff was cast in the role of Jekyll/Hyde. He completely massacred the music and sadly his pitful performace has been captured on DVD for all eternity. Fans of the show or "Jekkies" often harbor an intense hatred for Hasselhoff because of the stigma he set for the show.
Jekyll & Hyde has several memorable songs including "This is the Moment", "A New Life", "In His Eyes" and "Bring on the Men" (which was not actually featured in the Broadway version").
The show has a number of devoted fans (Jekkies) and can still be seen all over the world. Recently, it has been annouced that "Jekyll & Hyde" will soon be made into a major motion picture. It is scheduled to come out in 2007 however, the cast is still unknown at the moment. The film is bound to be successful and will most likely result in a surge of the fan base, much like in the case of "The Phantom of the Opera" (perhaps the most extrodinary musical/story ever (I myself have been a proud "phan" for 9 years)). Many fans eagerly await the film's opening and are completely baffled as to who will be in the cast (hopefully not David Hasselhoff).
Person 1: "I just saw "Jekyll & Hyde", it was really good, I was suprised. I've heard bad things about the show, apparently David Hasselhoff used to be in it."
Jekkie:"David Hasselhoff is the bane of my existance. I'll rejoice in his death."
Person 1:".......k...."
Jekyll & Hyde by Sikes July 30, 2008

Jekyll and Hyde Parenting 

A style of parenting that provides a full spectrum of emotional and psychological experiences to a child vis-a-vis the parents’ instability and addictions which lays the groundwork for years of in-depth psychotherapies in which the child, throughout their lifespan, has the opportunity to undo the warp and find some semblance of balance and potentially, a sense of a true self.
Yup, at our house it was nose-to-the-grindstone discipline during the week and then Mr. Toad’s Wild Ride when the weekends rolled around; my parents were practicing devotees of Jekyll and Hyde Parenting.

Jekyll and Hyde Syndrome 

A condition where a person is completely normal/nice from day to day life, and a "monster" or goon while on the ice/field/etc.
Ryan: Hey, you know Zach?
Ben: Ya he's a cool guy.

Ryan: Did you hear he beat a guy up in the game last night?
Ben: Seriously?!?
Ryan: Ya I know, he suffers from a bad case of Jekyll and Hyde Syndrome

Jekyll and Hyde 

One of the best Broadway "Grusicals" ever, telling the story of a doctor and his struggle between himself (Henry Jekyll) and his evil alter-ego (Edward Hyde). Music by Frank Wildhorn and Lyrics by Leslie Bricusse.
Jekyll and Hyde is awesome! Why the hell did they cast David Hasselhoff for the main role?! WHAT KIND OF IDIOT PUTS HIM ON BROADWAY?! GO EAT ANOTHER WENDY'S HAMBURGER, HOFF! *stab*
Jekyll and Hyde by KayErikPhan March 16, 2008

Jekyll and Hyde'n

To avoid somebody after they loaned you money or they did a favor for you.
Me: Have you seen Shady? he owes me money and a favor.

Friends: Nah! He must be Jekyll and Hyde'n from you.
Jekyll and Hyde'n by S.F. SORROW November 27, 2019

Jekyll And Hyde 

that one fancy book about Dr. Jekyll (aka spamton but softie'd) having a middle age crisis and randomly becoming his evil version aka Mr. Hyde (aka shikyou but gender bender'd) and at the end he uhhh fully becomes Mr. Hyde and kills everyone or something idk i have never read the book
guy 1: hey my guy have you ever read jekyll and hyde?
guy 2: yeah i read it it's pretty cool even though there's 69420 plotholes
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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

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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