A fork of Rural Dictionary
Not Fucking Invited,
A statement, usually of discontent from one to another stipulating their distain at not having been offered the chance to come to a particular social occaision.
Geoff "gemmima's having her party next week, are you coming?"
Will " No mate, NFIed"
Short for "No fucking idea." Originated as internet slang in trivia chatrooms.
Chatter #1: Who was the 19th President of the USA?
Chatter #2: nfi, dude.