Mbfn

Must be fucking nice

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

by Aye 🖍 August 15, 2018

Mbfn

Must be fucking nice

You have 3 days off this week mbfn

by Roxieana December 5, 2018

Mbfn

"Must be fucking nice"

Mbfn=An exprecion to difene a feeling .

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

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.

by Mike Max. June 30, 2011

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!"

by bluedolphin2 January 17, 2024