FNO 

Fno stands for Fear No Opp

Davontae : Yu hear Jamal was saying you anit bout shii
Lamar : Fuck that nigga . Its Fno shii ova hea .

FNO by kyraaa<3 March 16, 2021

FNO 

For Nerds Only

Originating from M.M. herself at a private all girls school in Sydney, Australia.

Is used wisely across the year 12 community. Mostly as an insult. If you don’t know what FNO means, you probably are one.

Miah aced that business studies test, what an FNO moment.

FNO by clickclackivansback September 20, 2019

FNO 

Failure is Not an Option

If you want to succeed in life FNO!

FNO by Sostrongitswrong December 27, 2016

FNO 

From Now On

A- Hi I am Mickey!
B- What? Mouse?
A- No.
B- I don't care.. FNO you are Mike! isn't that a better name?
A- Whatever you say sir

FNO by TheFinalChoker October 27, 2009

Fno 

From now on

I'm keeping myself to myself fno

Fno by Suckmymudda February 26, 2017

Fno 

When you seriously mean no. If you want some one to get the point: that you're saying f*ck no without using the F word.

Jess: Can I keep the 30 bucks I took from your bag?

Kelley: Fno! Give it back!

(DO NOT USE FNO UNLESS YOU HAVE CONCENT FROM HONORA)

Fno by FNO MAKER June 11, 2016

FNO 

F ort

N iggas
O nly
Brooklyn blood affiliated gang

Its big FNO hatz k

FNO by SrexyCat March 8, 2023