Usually emitted from townies. A refusal to do something. Usually delivered in a strong town or Ennis accent, with lots of swagger and attitude. Beloved of town skangers.
A girl with a very sexy body but an unattractive face... This phrase is generally uttered by men who examine the posterior of a lady as they drive by, On the approach they say "Oooohhh" and if her face does not match the beauty of her posterior as they pass they will say "Naaaaaa", hence Una.