nyehah 

affirming a statement, indifference, or just yes.

Bro, were gonna chill majorly at 5.

Nyehah, sounds great.

nyehah by Jun Umegaki February 19, 2008

nyeah eh 

A word the Toronto mandem use instead of OH REALLY usually used to confront someone or start a argument.

“Sayin He got that new LV belt from his dukes”
“nyeah eh sayin I’m bout to stain the man”

nyeah eh by Doctor OJ Cosby September 14, 2018

Nyeheheh 

An interjection made popular by a magic skeleton named Papyrus in the game Undertale, made by Toby Fox

Papyrus: NYEHEHEH!

Nyeheheh by Riikaaz Dinok October 5, 2018

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

Nyemah 

The smartest girl in the world gorgeous and most likely humorous has a great personality and everyone wants to be around her

Dang you such a Nyemah

Nyemah by nevsdcxswa June 27, 2016

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

nyehehehe 

A particular laugh made by Papyrus in the game Undertale.

Also, an 'evil' type cackle.

Sans: I bought more spaghetti
Papyrus: NYEHEHEHE YES

nyehehehe by meep meep motherfluffer June 5, 2016