NF

Natural forest

NF's are important for the environment.

by The Best UD User May 3, 2017

NF

NF refers to the wank abstinence also called "No Fap"

I'm in Nf period, I've to do it to concentrate on my studies

by isardveggie October 9, 2019

NFS?

New friends?

Your so pretty, NFS?

by Iensinaoshi a September 18, 2022

NF

Never Fold, don't fuck with my gang respectfully

big NF bitch, don't play wit us

by itshervaehh February 27, 2022

NF

Not Funny!

1) Someone online makes racists jokes.

You reply with NF.

(In the 70's there was a racist political party in the UK they called themselves National Front or NF. This is a sarcasm to the NF.)

2) You fall over break your leg and are laughing.

You reply with NF.

by voodoo666 September 15, 2009

NF

the National Front, a group of racists who go around beating up foreigners. see also BNP

Yo bruv, we is boppin' wit' da NF tonight.

by Rufai June 25, 2006

NF

Not fuckable

Omg he's so fat, definitely NF.
NF comin thruuuu

by Ytyhsbyjcd2 July 22, 2014