abbreviation
bsf
bee-es-EF
Bsf (abbreviation) means Best friend; used online and in texts to refer to a very close friend. Example: “me and my bsf have matching hoodies”
abbreviation
1
internet slang Best friend; used online and in texts to refer to a very close friend.
"me and my bsf have matching hoodies"
"she's been my bsf since year seven"
2
internet slang Used before a claim to mean best friend said, introducing something a friend has reported.
"bsf said the café shuts at four"
How to use bsf
Learner’s notesIn plain EnglishShort for best friend.
When to use it
Slang, mostly seen in text messages and on social video platforms; not for formal writing.
Memory tip
Written in lower case. Read it as best friend rather than spelling the letters out loud.
Trace the full origin ↓
Common pairings
my bsf
bsf said
bsf energy
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me and my _____ have matching hoodies
Etymology
An initialism of best friend, used in online messaging and social media.
Synonyms
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Frequently asked questions
What is the difference between bsf and bff?
Both mean a very close friend. Bff stands for best friends forever and is the older, more widely understood form; bsf is a newer short form of best friend that spread through social media and is more common among younger users.
Can bsf mean anything else?
In casual chat it almost always means best friend, and it is often followed by said, as in bsf said. Outside slang the letters appear as the initials of various organisations and technical terms, so context decides.
What is the meaning of bsf?
"bsf" (abbreviation) means best friend; used online and in texts to refer to a very close friend.
What is another word for bsf?
Other words for "bsf" include bff, best mate, bestie.
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