NYEAH!!! 

A noise Lord Voldemort seems to make quite a lot, usually before falling off a cliff or doing something epic.

Example 1 -
Harry: Come on, Tom. Let's finish this the way we started it. Together!
Voldemort: NYEAH!!!

Example 2 -
Voldemort: Only I can live forever. NYEAH!!!

NYEAH!!! by skafruit29 August 31, 2011

nyeah! 

A word, popularized by Voldemort, used to express extreme emotion, most often anger or hate.

Harry Potter: "Come on, Tom. Let's finish this the way we started, together." *jumps off cliff*

Voldemort: *as they are falling* "NYEAH!!!!!!!"

nyeah! by Xeno LoveGood June 20, 2011

NYEAH 

there is no definition, it can be used in any way

1. Man that is so nyeah!
2. I'm going to nyeah you up so bad
3. NYEAH!
4. i got nyeah'd..
5. Holy nyeah!

NYEAH by Peter Hwang October 26, 2006

Nyeah 

The sound an airplane makes. Can be yelled at quiet moments to freak people out. Can also be used to end awkward silences. Is sometimes followed by "I'm going in!"

*Classroom suddenly grows awkwardly quiet* "...Nyeah!" *Laughter, and strange looks* "Nyeah!" "Nyeah, I'm going in!"

Nyeah by CodeRandom March 14, 2011

nyeah 

Acronym for "not yeah", usually used as a sound of discontent, especially when someone does is not enthusiastic about something another person has said.

Tom: "So what did you think of that movie?"

Sam: "Nyeah, it was okay."

nyeah by Big White August 19, 2004

Nyeah 

A mixed answer with the first Letter of No with Yeah altogether in fact a Negative answer in Four Slavic Languages: Belarusian, Polish, Russian and Slovak

Mum: Did you do the Dishwasher?

Me: Nyeah. No and yes

Nyeah by Porg009 December 25, 2020

nyeah 

Canadian lingo of saying yeah. Could also be used as a sarcastic yeah or cheeky yeah.

Actor 1: My bitty is so bad fam, she got a nice physique or what

Actor 2: nyeah famm I’d be doneso in 30 seconds

nyeah by breht10 April 28, 2021