BSF is textspeak and internet slang for best friend. Others, however, may know it as short for Bible Study Fellowship, India's Border Security Force, the Venezuelan currency the Strong Bolivar, and the German reality TV series Bauer sucht Frau (Farmer Seeks Wife).

What is BSF mean on TikTok?

While the term “BFF” has been around for years, recently people online have been shortening it to just “BF” or “BSF,” which stands for “best friend.”

What is BSF on Snapchat?

"Best Friend" is the most common definition for BSF on Snapchat, WhatsApp, Facebook, Twitter, Instagram, and TikTok. BSF.