My first is in Britain, which once was called Great,
My second's in Boris, who's for sealing its fate.
My third is in Europe, where patience wears thin,
My fourth is in taxes, but not European!
My fifth is in Ireland, but not in the South
My sixth is in parliament, kept out of their house.
My whole's a fiasco, gone on now for years,
And the sorry conclusion will surely bring tears.
The answer is one word.