I'm just bored. Heh.'s definitions

evil laugh

An evil laugh is a typical of a antagonist in a story, since they are usually characterized as dark and merciless people. This laugh is often used when displaying a show of power; it seems to give the character in use a malevolent feeling at times, making the mood more dark or angsty.

-Buahahahahahaha
-Muahahahahahaha
-Zehahahahahaha (Blackbeard from One Piece)
These are all examples of an evil laugh.

by I'm just bored. Heh. December 10, 2013