Someone give me a paraphrase for "purred down the line please? It's cats talk, I know. Metaphorically used.
“The feeling is that we can’t leave it to him. Look what happened at the last referendum we had, on Scotland. We nearly lost Balmoral and the shoots. Nicola Sturgeon could be sat in that castle now – we know she had her eye on it – it was a damn close-run thing.”
Royal circles found particularly offensive Cameron’s portrayal of the Queen as having “purred down the line” when he telephoned her to tell her Scotland had voted against independence. “The cheek of the man. There was real fury about that comment. And the irony of it – coming from a fat cat,” said a source.