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2.
Absolutely nothing at all, the most extreme degree of nothing.
Sol: No, it's a moissanite.
Bad Boy Lincoln: A what-a-nite?
Sol: A moissanite is an artificial diamond, Lincoln. It's Mickey Mouse, man. Spurious. Not genuine. And it's worth... Fuck all.

(From the movie "Snatch")
by Rajiv Kumar Singh Oi March 24, 2006
 
1.
nothing
I'm so lazy, I did fuck all, all day
by beat beat your meat August 03, 2003
 
3.
another phrase for nothing, nil, zero.
City is our name
City is our name
Twnety-eight years and won fuck all
City is our name
by International Bad Boy January 12, 2005
 
4.
A lang of British origin with many definitions. Of which are:
1. Worth absolutley nothing
2. A feeble and unsucessful attempt
3. An overall bad experience
4. An interjection of anger, excitement, or disbelief.
1. "It's Mickey mouse mate... and it's worth, a fuckall."
2. I just spent all evening with that girl and got absolutley fuckall out of it.
3. It's so damn windy I couldn't even begin to golf, and it was just a fuckall of a time.
4. Oh fuckall! Did you just grab my ass?
by Michael Vinduska September 19, 2003
 
5.
1. used to denote futility and or the low worth of an attempt
2. something which is worth all of one fuck, which is universally agreed to be less than two shits
Bobby was chatting up a girl at the pub but all of his effords did fuckall for getting him laid
by nando November 14, 2002
 
6.
Nothing, nothing great,zilch
Your grouse compared to mine is fuck all.He thinks he knows everything, but he knows fuck all
by Nahom June 21, 2003
 
7.
Meaning 'absolutely nothing' in a slightly more vulgar way than usual ;)
-D'you know what I like about you? .... FUCK ALL. (from Green Wing)
by Robin H April 23, 2007