1 definition by voodoo666

Top Definition
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

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