I thought I'd draw another spade, but I ended up with a busted flush.

If this [Tony Blair] is such an utterly busted flush of a leader, why are so many Tories and their outriders so keen to have this Prime Minister gone before he can fight another election?

"In November last year, at the annual conference, a decision went against me and I took the view that I couldn't carry on. I was a busted flush as the General Secretary, and in a position where I did not have the support of everyone, so it was best that I moved on.

Busted flush

Meaning

Noun