On Mon, 04 Sep 2006 07:40:34 +0100, Steve Slatcher
> wrote:

>I'd say plonk any wine that is not worth referring to by name. So it
>IS synonymous with wine in many circumstances. But it would not be
>used for anythg the speaker considers to be special. (I'm British BTW)

I'd add that I think the term is going out of use now, though
journalists seem to have latched onto it - seems they think it is a
lot more fun to talk about plonk than wine.

--
Steve Slatcher
http://pobox.com/~steve.slatcher