When you don't like something or someone, but can't find really describe why.

by Shaowfax2020 March 15, 2009
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Originally Naff was Medieval Scottish for vagina.
Princess Anne was once reported
to have said, "naff off."
by nv January 7, 2005
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Not Appropriate For Facebook.

Acronym used when someone posts something inappropriate on your Facebook page.
Example 1

Friend: Dude, you were so hammered last night. I cannot believe you hooked up with Brian's girlfirend...

You: NAFF, Man!

Example 2

Friend: Ha Ha, I tagged you in that pic of us smoking weed out of the bong we made out of an apple.

You: NAFF man! Work people are on here!
Example 3

Friend: Everyone, please pray for my grandmother to have a bowel movement... it has been a week!
You: Please, that is sooo NAFF...

NOT APPROPRIATE FOR FACEBOOK!
by joshuam121 April 11, 2010
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a kinder way of telling someone to "fuck off", was first used in the book "Kes", but popularised in the british tv series "porridge", a comedy series about a prison and its occupants. Norman Stanley Fletcher used it constantly as a way of getting around tv censorship.
got any snouts fletch?,,, Naff off your erk no I aint!
by kulucriss January 5, 2008
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"Nothing at all" in a derogatory way.
Similar to (but not as rude/crude as): Fuck all, Sod all or Bugger all
A lot stronger (but less funny) than: Zilch or Dibbly squit
You stayed in and did naff all today and you expect me to clean the house and cook dinner the minute I come back from work.
by AP November 25, 2004
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It's a classier version of bite me in that it's literal meaning is "Go away, asshole" but it is usually said to someone you like in a joking manner.

According to Fowlers, Princess Anne said it to a bunch of reporters sometime in the 1980's.

It's really obscure. Princess Anne and I are the only ones I know who say it.
"So, I was reading the comics this morning and noticed that Cathy is dieting for her wedding just like you are!"

"Oh, naff off..."
by ChaliceChick November 30, 2004
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