| Abbreviation | Definition |
|---|---|
| FBI | Fat Barbies Idolized |
| FBI | Fat Bellied Inbred |
| FBI | Fat Big Italian |
| FBI | Federal Bacon Investigation |
| FBI | Federal Blonde Intelligance |
| FBI | Federal Bobcat Investigator |
| FBI | Federal Boobie Inspector |
| FBI | Federal Booty Investigator |
| FBI | Federal Bunk Inhalers |
| FBI | Federal Bureau of Illusions |
| FBI | Federal Bureau of Imagination |
| FBI | Federal Bureau of Incineration |
| FBI | Federal Bureau of Incompetence |
| FBI | Federal Bureau of Ineptitude |
| FBI | Federal Bureau of Insubordination |
| FBI | Federal Bureau of Interconnection |
| FBI | Federal Bureau of Intoxication |
| FBI | Federal Bureau of Intrusion |
| FBI | Feeble Brained Incompetents |
| FBI | Feeling Beer Itch |