From Longman Dictionary of Contemporary Englishagony auntˈagony ˌaunt noun [countable] British EnglishTCN someone who writes an agony column
Examples from the Corpus
agony aunt• Claire Rayner is a novelist, broadcaster and agony aunt.• Being agony aunt was tricky and probably quite beyond her.• Then he sat down and typed a letter to every agony aunt he had ever heard of.• While writing her agony aunt column, she remained busy as a reporter, interviewing figures including Margaret Thatcher.• I am still friends with my ex-husband who takes it on himself to be my personal agony aunt.• He hated playing agony aunt but he couldn't afford to have Hirschfeldt falling to pieces.• In fact they would be just as likely to turn to the agony aunt pages of a magazine. 