NYEH HEH HEH 

Papyrus's signature laugh. Usually done while twirling his way offscreen.

Sans: Papyrus, why is there a plate of spagetti on the ground?
Papyrus: NYEH HEH HEH *twirls away*

NYEH HEH HEH by The She-Demon May 17, 2016

NYEH HEH HEH 

A signature laugh by Peridot, Papyrus, Skelator, Waluigi, and many other crazy idiotic antagonized people that become friends with the main character. (Except Skeletor.)

sans: uhh what are you doing?
Waluigi: GIVING YOU A WALUIGI TIME
Peridot and Papyrus: NYEH HEH HEH HEH HEH HEH HEHH HEHEHEHEHHEEH

NYEH HEH HEH by Tito Dickman Baby December 1, 2016

Nyeh Heh Heh! 

A laugh that is usually linked to skeleton characters thanks to most people's interpretations of skeletons having a nasally, high energy and wacky voice, this phrase is most commonly associated with characters such as Skeletor from He-Man, and Papyrus from Undertale.

Person 1: NYEH HEH HEH!
Person 2: Good Papyrus impression!
Person 1: That was a Skeletor impression, you uncultured swine!

Nyeh Heh Heh! by PolyPixl09 December 28, 2020