"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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