Wiktionary
damn and blast
interj. 1 (context British mildly blasphemous English) expression of surprise, contempt, outrage, disgust, boredom, frustration. 2 (context British Cockney rhyming slang racing English) last.
Usage examples of "damn and blast".
Surely you've visited a museum# or three, surely you've read literature from planets which do have natives-or damn and blast, haven't you ever applied that logic of yours?
And damn and blast that Terl, was supposed to be in charge of defense!