MBFN 

Must Be Fucking Nice

Jack has the next week off of work because of sick days not used. He's already used his vacation earlier this year. MBFN.

MBFN by Mike Max. June 30, 2011

Mbfn 

Must be fucking nice

My best friend and her boy friend just made 2 year mbfn.

Mbfn by Aye 🖍 August 15, 2018

Mbfn 

Must be fucking nice

You have 3 days off this week mbfn

Mbfn by Roxieana December 5, 2018

Mbfn 

"Must be fucking nice"

Mbfn=An exprecion to difene a feeling .

Mbfn by Miss know it all... March 9, 2018

MBFN 

must be fuckin nice.. if you got sent this, you're friends are probably a little jealous

"hey dude im about to go to the lakers game tonight"
"what?! mbfn, i wish i could go!"

MBFN by bluedolphin2 January 17, 2024