Define Bsf Meaning

Bsf
"Bisexual Foursome"
Four friends who often go out together on random day trips together.

Hey, you guys want to come out on a BSF day out soon?
By Rivkah
Bsf
Best slutty friend- The friend of an ex-slut has from her 'wild years', who unashamedly knows all of her dirty secrets, and more often than not was present for some of them.

The BSF will of course have shared at least one, if not two (and sometimes at the same time) boyfriends or lovers of the subject.

Whilst the subject does her best to hide her past the BSF loves nothing better than to loudly discuss her current and future sexual conquests in front of anyone who will hear.

The BSF of course must naturally do her best to either break her friends relationship so she can bring her back into the slutty fold, or be apathetic about a break up and never encourager her friend to actually try and make something of her life.

Sally and Angie had been friends for years, So sally invited Angie to her wedding. Angie then screwed sallys husband and two of the grooms that night, Angie asked why she did it, she said I am your BSF!
By Berni
BSF
Best sister/friends
When two best friends are so close that they consider themselves as sisters !

- Pauline and Catherine are really close!
- Yeah! They're BSF s :)
By Angelique
BSF
A bsf means best friend usually, bsf can mean a best friend who is like a sibling to you or just a best friend

By Xenia
Bsf
When someone uses “Bsf” in a text, it usually means bestfriend.

Girl 1: Heyyy Bsf

Girl 2: Hey, hows it goin bsf?
By Lynnelle
BSF

By Joelie
BSF
"Bull Shit Foursome"
Four friends who often go out together on random crazy adventures and day trips.

Let's go out BSFing this weekend!
By Maure
Bsf

T : you’re my bsf
I : best friend?!
T: no, bull shit friend
By Ania
BSF
How low do you hang?
Ball Sag Factor

How's the BSF today?
By Pierrette
BSF
The cliched phrase every guy tells to a girl when he wants her: Beautiful, Smart, and Funny.

Hey bro, did she say yes?
Nah, I did the BSF way too early
By Brena