forheadlandia is a very well known country on the outskirts of the Bermuda triangle it has been given its name because the 3 kings (zakariya hajnur, abdurasak mohammed, and nasreldin alabbas) have massive foreheads.
When someone with a group of friends(typically online) says, "hey I'll be right back." But doesn't return. Later returning as if never leaving at all.
The term is used because the role played in said game(s) is crucial.
"Yo he just foshed us hard."
You totally foshed me last night dude Dude we need Mikie to get anything done tonight, I hope he doesn't pull a fosh and go to 7/11