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1. A disease that causes greatly ammount of typos, stupidity, randomness, e.t.c.
This disease is found in beer, coffee, and cookies.
2. An impersonater of Da Fonz, an actor from Happy Days.
"I have a confession to make... I was approved positive MegaDan."
"In Hollywood, there are many MegaDans wandering about."
MegaDan by CheeseGradersSuck April 23, 2005

The ungodly MegaDan

When you go to a drive-through and ask the fast food clerk for an ungodly amount of ketchup or condiments, resulting in an unhealthy large bag
We went to Jack-in-the-Box and asked for the ungodly MegaDan.
The ungodly MegaDan by JuicyToots February 8, 2026

Megadave 

1) Nick name of Megadeth's Dave Mustaine
2) Nick name of Megadeth
"I'm off to see Megadeth tonight, it's going to be AWESOME!"

"Correction you're off to see MegaDAVE"
Megadave by Jimna May 11, 2009
The act of dunking on someone so hard in a competitive aspect, whether in sports or anywhere else to the point where they may question their religion and consider attempting suicide.
The enemy team was megadunked so hard they disbanded and renamed themselves one day later.

Smot was megadunked so much that he lived the rest of his days out as a fisherman.
Megadunk by Bugsbythegreat June 2, 2013

megabank beast guap 

Similiar to megabank, megabank beast guap is an insanely, disgustingly awesome achievement. To be megabank beast guap someone or something must rule complete and total ass. He, she, or it must be so fucking great that there is no word in any language on this fucking planet that can describe them.
Dude did you see King Jewman Sr. beast that village hero sub? MEGABANK BEAST GUAP!!!!!

Megaman Zero 

Megaman Zero is a video game series where you play as the legendary hero Zero. Dealing with themes such as war, genocide, and hatred, this series is darkers compared to other Megaman series. Pretty deep and great story, you will likely cry at the end of the fourth game if you play the other games as well.
"I never cared about justice, and I don't recall ever calling myself a hero... I have always only fought for the people I believe in. I won't hesitate... If an enemy appears in front of me, I will destroy it!"

- Zero, Megaman Zero 4
Megaman Zero by Baudier000 December 18, 2018
More from Urban Dictionary

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
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
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