nbf 

Not Being Funny. A state of sincerity, where you're so illiterate that the only way you can express how sincere you are is by highlighting how insincere you aren't. In acronym form for efficiency purposes, to be used largely in written communication i.e. msn, text, email, law exam

"nbf, but if i don't get into university heads will roll."

"nbf, but just because you like anal sex doesn't mean you need to tell everyone."

nbf by Liam_B_Rizz June 18, 2008

NBF 

New Best Friend. Pretty much what it says on the tin, this one. Everyone (nearly everyone) is interesting when you first meet them, although the gloss can quickly wear off once you get beneath the surface. This is expecially difficult to deal with if you have since married the person. Be wary who you make friends with, and be especially weary if they act like stalkers.

I like him, he is my NBF!!

NBF by stealth-bowler July 23, 2006

Nbf 

Non binary friend / enby friend — instead of a girl or boy friend

Me and my nbf are going for a cute breakfast now 🥰

Nbf by Zeftopian April 28, 2021

Nbf 

A wannabe gang made up of Perth faggots located in Mirrabooka. They are known for their mischievous behaviour. Their activities involve sucking dick,fighting and group master nation.

‘Aye bro you nbf ‘
‘Yeh g ‘
*leans in for a kiss*

Nbf by Ebk gang March 22, 2019

NBF 

Natural Bitch Face. The face of someone who naturally looks pissed off as you see them walking around or performing an idle action. You may think they are having a bad day, but that is just their natural facial expression.

Jenny: Did you see Dilon today? He looked so pissed off for some reason.

Melanie: Naw he's fine he just has a NBF.

NBF by Spankithard49 March 30, 2011

NBF 

Not a Big Fan - Mildly dislike or aversion.

Jack - "Do you like that coffee?"
Jill - "NBF"

NBF by sirsloop June 12, 2011

NBF 

Natural born finesser has been finessing since a very young age

I’m just a NBF my guy

NBF by That’s fine May 8, 2018