FSB
Search our site
What Does FSB Mean?
FSB means "Federal'naya Sluzhba Bezopasnosti (The Federal Security Service, i.e. the new KGB)".Image for FSB
When I write FSB, I mean this:

"Federal'naya Sluzhba Bezopasnosti (The Federal Security Service, i.e. the new KGB)"
Summary of Key Points
"Federal'naya Sluzhba Bezopasnosti (The Federal Security Service, i.e. the new KGB)" is the most common definition for FSB on Snapchat, WhatsApp, Facebook, Twitter, Instagram, and TikTok.FSB | |
---|---|
Definition: | Federal'naya Sluzhba Bezopasnosti (The Federal Security Service, i.e. the new KGB) |
Type: | Abbreviation |
Guessability: | ![]() 4: Difficult to guess |
Typical Users: | ![]() Adults and Teenagers |
Second Definition for FSB
This meaning was also noted:FSB | |
---|---|
Definition: | Front Side Bus |
Type: | |
Guessability: | |
Typical Users: |
Example of FSB Used in a Text
FSB
Help Us Improve Cyber Definitions
- Do you disagree with something on this page?
- Did you spot a typo?
- Do you know a slang term that we've missed?
Quiz
Try our fun quiz to test your knowledge of slang and texting abbreviations.
Gold

Silver

Bronze
0
- This test has questions.
- A correct answer is worth 5 points.
- You can get up to 5 bonus points for a speedy answer.
- Some questions demand more than one answer. You must get every part right.
- Beware! Wrong answers score 0 points.
- 🏆 If you beat one of the top 3 scores, you will be invited to apply for the Hall of Fame.
Scoring System
Cyber Guru (+)
Cyber Hero (+)
Cyber Captain (+)
Cyber Sergeant (+)
Cyber Recruit (+)
Cyber Guru (+)
Cyber Hero (+)
Cyber Captain (+)
Cyber Sergeant (+)
Cyber Recruit (+)