A fork of Rural Dictionary
Slowness multiplied by 10^21. A term used by the character Sho Minamimoto in the Japanese role-playing game (for the Nintendo DS) The World Ends With You.
Neku Sakuraba is so zetta slow.
Particularly slow. Often used in an insulting manner.
"So zetta slow!" Shô Minamimoto (The World Ends with You)