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A quadrilateral with no congruent or parrallel sides amd no congruent angles.
This is something that cannot have an example other than a picture
Trombus by Tom February 14, 2005

coronary trombosis 

An illness that afflicts the brass section.
A horn player never last long, once coronary trombosis sets in.

Atomic Tombustion

When somebody does not realize what they do is wrong or offensive in general. Instead of apologizing, they will see themselves as the victim of the situation, no matter what they have done and the accusing person is deemed the offender.
It is a cause of ones ego to become so large that their remaining pieces of common sense start to decrease, turning you into a big selfish and arrogant dick.
Person1: My friend is always an asshole to me and my other friends, whenever we tell him that we don't like being treated like this anymore he just tells us to have some understanding
Person2: I assume he gets really mad too?

Person1: Yeah.. I don't understand why he never aplogizes but expects everyone else to.
Person2: He's got Atomic Tombustion then, tragic.
Atomic Tombustion by Raven69 August 6, 2011

Trombuddy 

A friend of your's who is in the trombone section of your school band. They are always loyal to other trombuddies, but have a fiery disliking for the baritards (baritones). The trombone section leader is often seen as the "trombuddy overlord."
"I've forgotten my sheet music!"
"Don't worry, you can look off of mine."
"Thanks, trombuddy."

"We cool; we trombuddies."

"It's an E natural!"
"Gosh, he is such a baritard."

"The trombuddy overlord brought us donuts during sectionals."
Trombuddy by teddybearswag November 27, 2013
A bus driver that mainly gives young and old people rides ;p, also known to be sulty all the time and also has sausages up his anus.
That bus driver is such a "TomBus" hes always sulty.
TomBus by TomBus February 15, 2017

Trombuba 

A brass instrument consisting of the parts of both a trombone and a tuba.
My friend created a trombuba using their trombone and their brother's tuba.
Trombuba by Trombuba January 1, 2022
More from Urban Dictionary
Being ignored by someone when making a statement or asking a question. Also known as blanked and turfed.
Person 1: Did u watch ** last nite?
Person 2:......
Person 3: O no u got aired!
aired by Pietro February 9, 2005
Word of the Day on October 10, 2026

piddlefart

Instead of doing my homework, I decided to piddlefart around for two hours.
piddlefart by Rene April 25, 2005
Word of the Day on October 9, 2026
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
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