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Uppercase 

When you have to show an emotion, say excitement in a strong manner over text, you UPPERCASE it
"y'all ready for the party this weekend?"
"Yeah"
"Aw come one wet blanket, UPPERCASE it!
"YEAH!"
Uppercase by ShadyAllTheWay July 9, 2020

uppercase gums 

Abnormally large gums.
Did you hear Stephanie got engaged? You know, Stephanie with the uppercase gums.
uppercase gums by Lamp5 August 27, 2021

Upper Case voice 

This is used when a person raises his or her voice or gives prominence to a part of a sentence to emphasize significance as you would while typing in the digital world, like email, chat, and instant messaging services. In novels, books, and textbooks, these words would actually be in italics. Upper Case voice is like italicized words or wording.
A Speech Therpist: These are a few ways to recite the same sentence with emphasis on a different word each time. Each emphasis gives the sentence a whole, new, and different meaning. Please repeat after me:
YOU are a son of a bitch.
you ARE a son of a bitch.
you are A son of a bitch.
you are a SON of a bitch.
you are a son OF a bitch.
you are a son of A bitch.
you are a son of a BITCH.
YOU ARE A SON OF A BITCH.

This is a derivative of Upper Case voice syndrome.
Upper Case voice by FriendsFan2008 September 25, 2009

Upperclassmen 

(high school) Upperclassmen are the 2 highest grades of high school. The Juniors, and the seniors. Juniors and Seniors are the big grades of high school. Sophomores are not yet upperclassmen but they're more respected than Freshman. Freshman look up to upperclassmen. Many Freshmen feel intimidated by upperclassmen. But its good for the Freshman to *try* to get on their good side.
The Upperclassmen and the Freshman.......(STORY)

Freshman: "Hey whats up? I heard theres a party tonight, can you tell me where its at?

Junior: Um...Your a freshman right?

Freshman: "Yeah"...

Junior: AAAHAHAHAHAHAHAHA!

THE EEENNNDD!!
Upperclassmen by FlyLikeABird July 19, 2009

Upper Case Peen 

An erection of the peen
Wow Devin has a case of the Upper Case Peen.

shiny upperclassmen syndrome 

When a boy becomes more appealing to a girl simply because he is older than her, specifically if he is an upperclassman (junior or senior in high school). It seems many younger girls are drawn to older guys for this reason, even if he doesn't really have much else going for him. For girls, dating up is somewhat prestigious.
I suppose this could also apply in college, but I have not yet come across that scenario.
"Why does she even like him? He isn't very cute and his personality is just so-so..."

"She must have shiny upperclassmen syndrome."
More from Urban Dictionary
anyone who succeeds in disgracing/over indulging themselves in the throws of clubland
28 hours and 4 clubs later, gurning for england but still refusing to go home - a total wrongun!!
wrongun by bevvers March 21, 2007
Word of the Day on October 8, 2026

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
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