BSF
Texting & Internet Slang abbreviation · Gen Z Slang
| Stands for | Best friend |
|---|---|
| Categories | Texting & Internet Slang |
BSF stands for Best friend, a Gen Z slang abbreviation.
Shorthand for "best friend," used by Gen Z and Gen Alpha in captions, bios and texts, as in "happy birthday to my bsf."
Example: Happy birthday to my bsf, ten years of friendship and counting!
Usage notes
The S comes from pronouncing "best" with emphasis on the final "st." Similar to BFF but more recent and associated with younger users. Some readers may not recognize it.