“Self laugh” (Latin). Reacting to one’s own comment or post with a “haha” or smile emoji indicatingrecognition of humor. The Joker (character from the Batman universe) is well known for using frequent verbal guffauto by maniacally laughing after making an ominous or threatening statement.
The word originates from the Moors who during the battle of tours in 732 created the word to insult the majority of ginger haired people they were fighting against. Word stems from Kuffar(Infidels).