A term used by dubbers of Yu-Gi-Oh! to substitute something violent that will happen to a duelist if they lose a duel like getting their feet chopped off.
If I lose this duel, the glass below me will explode and I will fall into the Shadow Realm.
by JoshMiller April 17, 2004
An uncommon way of referring to the /b/ section of 4chan on other websites without violating rules 1 & 2
Oh man, I havent been to shadow realm for a few hours, I can hear it calling to me
by OfficialTirade January 14, 2012