Definition of "FBI"

FBI

/ˈɛf.biː.aɪ/

proper noun
1. (US) Initialism of Federal Bureau of Investigation.
2. (Britain) Federation of British Industry (1916–1965), forerunner of CBI (Confederation of British Industry).
3. (Australia, weather, firefighting) fire behaviour index
noun
1. Fixed-bit index.
2. (US, humorous) Female body inspector.
  Quotations
  Groups of Heterosexuals gather in Daytona Beach to tan their normally pale skin, eat fried shrimp, and buy novelty T-shirts that say things like Don't talk to me until I've had my coffee! and FBI: Female Body Inspector.
  2013, Jeffery Self, Straight People: A Spotter's Guide to the Fascinating World of Heterosexuals‎, Running Press