A particular laugh made by Papyrus in the game Undertale.

Also, an 'evil' type cackle.
Sans: I bought more spaghetti
Papyrus: NYEHEHEHE YES
by meep meep motherfluffer June 5, 2016
Get the nyehehehe mug.
An interjection made popular by a magic skeleton named Papyrus in the game Undertale, made by Toby Fox
by Riikaaz Dinok October 5, 2018
Get the Nyeheheh mug.