Big Fucking Idiot ... in replacement of FBI - Federal Bureau of Investigation. Mockery of Police.
or
Big Friendly Idiot, like the old story of Big Friendly Giant.
Synonyms for BFI
On this page, you will find 30 slang terms related to BFI. Some of the top words include: oxossi, shitbrick, freedom fries, best rapper ever, gillen, and 25 more.