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.
When someone is being extremeley anti-social.Often this person does not go anywhere because they are spending an abnormal amount of time with their hundreds of cousins and goin to 50th birthday parties or just lying in there wee gypsy house in trentagh beacause theyre "wile tired man".The person may spend an large amount of time at "Norahs" also.