euphenism 

noun
1. A mild or indirect word or expression substituted for one considered to be too truthful.

2. A lie

3. A word used by politician when they don't know what "euphenism " means or how to pronounce it.

From Donald Trump speech at Carrier

'And then they played my statement, and I said, 'Carrier will never leave.' But that was a euphenism. I was talking about Carrier like all other companies from here on in because they made the decision a year and a half ago. "

euphenism by Breeasy December 3, 2016

Euphonium

A mysterious instruments played by the select few. It is the most important instrument of the low brass. The players get sick and tired of people asking what a Euphonium is, and most likely didn't tell you. That is why you are on Urban Dictionary.

Guy 1: What's a Euphonium?
Euphonium Player: *face palm*

Euphonium by A Euph Player March 11, 2011

euphonium player 

A very talented sexy musican who is a natural born kisser

That euphonium player is a sexy beast

euphonium player by talented man September 12, 2015

Euphemism Treadmill

A euphemism is a term or a phrase used by individuals to refer to a controversial topic as overwhelmingly inoffensive as possible, as opposed to being politically incorrect (aka "enthusiastically offensive").

Unfortunately, the overuse of a euphemism will eventually devolve its meaning to the extent that itself becomes politically incorrect and will have to be replaced with another euphemism. This is a sociolinguistic phenomenon to as the "euphemism treadmill".

The term "mental retardation" was once a euphemism and politically correct term used to describe stupidity. The previous term was imbecile which was an actual medical category which comprised of idiots (IQ 0 to 25), imbeciles (IQ 26 to 50), and morons (IQ 51 to 70).

Over time, mental retardation and its associated verb "retard" became as corrupted as "imbecile" and "idiot" and was eventually replaced with "intellectual disability". It is now only a matter of time when being "disabled" is offensive and once again, slides down the euphemism treadmill.

Euphemism Treadmill by Ἀπολλύων October 21, 2016

euphonium

a low brass instrument with 3 or 4 valves that can be played in treble or bass clef. hardly anybody knows what it is so euphonium players often get tired of explaining it. they are usually the least ignorant section in low brass and the smallest and most talented section in the band.

band director: can someone please explain the coda to the trombones!?
euphonium section: we can! we can!

euphonium by honorband71 July 7, 2010

euphemism treadmill

The process by which a pejorative term is replaced by a more politically correct term, only to over time be corrupted and used pejoratively itself until a new term is introduced, upon which the cycle repeats itself.

So named because walking on a treadmill gives you the illusion of going somewhere, when actually not making any progress. Basically a form of political correctness masturbation.

The best example of a euphemism treadmill is the word "retarded", which was originally adopted as a more apt and kinder alternative to previous medical terms such as "moron", "imbecile", and "idiot".

"Retarded" is currently considered a pejorative insult, so new terms have been invented such as "special needs" and "intellectualy disabled" , which will in time become pejorative insults themselves. Thus retarded SJW's, downie parents, and the self-righteous will always have something to bitch about.

euphemism treadmill by Frank Marlowe May 12, 2016

euphemism 

1. the substitution of a milder, vaguer word or expression for one considered to be offensive or unpleasant.
2. the word or expression so substituted.

"Put to sleep" is a euphemism for "kill".

euphemism by ed January 19, 2003