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Also "hop up." Used when referring to airsoft guns. It is best described as the backwards spin that the gun is designed to put on the bullet, making the bullet spin the wind below it during "flight" so that it doesn't descend as fast. A lot of airsoft guns have too much hopup, so the bullets might travel upwards at times.
Crap, this gun sucks. It has too much hopup.
Sweet, that gun has just the right amount of hopup to shoot straight.
hopup by coleProtocol May 4, 2005
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Hoppipolla 

Hoppipolla is a song by the band Sigur Ros from their 2005 album Takk... It means "jumping into puddles" in Icelandic.
You: I'm bored
Me: We could go hoppipolla?
You: Yes, please!
Hoppipolla by hfrei March 16, 2009

fo hoppin 

if you roll on hydros, seems like it makes your car rise into the air when you start it up and when you drive it you can hit one of the 4 switches then make your roll bounce from side to side, front to back or make it pancake
"fo hoppin, ass droppin" Ice Cube
fo hoppin by Swoopa March 1, 2009

hippity hoppitus 

A word Ownage Pranks uses a lot, and it's funny as hell.
OP: Hippity hoppitus!
Indian Scammer: Tikah!
OP: Kappatilly donut!
Indian Scammer: Akay akay!

Hoppo Holiday 

1. A no call or a no show at work.

2. A no call or a now show at work following a long night of drinking and taking illegal substances.

3. Conveniently missing work to meet college buddies at the bar for sporting event or other staged drinking affairs.

4. Pushing your unexcused absences to the brink of getting fired

5. Waking up hungover and not attempting to call, show up, or email that you wouldn't be coming in

to work on a given day.
"Chris must of pulled a hoppo holiday because March madness started"

"The head of HR asked Chris into her office to talk about all the "hoppo holidays" he took in the past month"

"Our boss asked us if Chris had pulled a "hoppo holiday" because of the Phillies home opener.
Hoppo Holiday by studminustheu February 18, 2010

myspace hopping 

The act of jumping from one myspace to another for hours at a time. (Usually viewing the myspace of people you do not know and viewing pictures, but not commenting.) If done excessively, this would classify you as a myspace whore.
I was myspace hopping for hours last night, I know, I'm lame.
myspace hopping by MonicaBreanna January 25, 2006

Secret Hopper

Undercover guests at a brewery who provide honest, first hand feedback about their experience at an establishment.
Andrew was a Secret Hopper at Perennial Artisan Ales and enjoyed a delicious flight and a pint while gathering research.
Secret Hopper by secrethopper June 26, 2017
More from Urban Dictionary

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

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
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