From Longman Dictionary of Contemporary Englishif ever there was oneif ever there was oneinformal used to say that someone or something is a typical example of something He’s a natural comedian if ever there was one. → ever
Examples from the Corpus
if ever there was one• A crazy notion if ever there was one.• Exercise is the original fountain of youth if ever there was one.• He is a product of the system if ever there was one.• Here is a time warp if ever there was one.• My favourite Caithness loch is Heilen, near Castletown; an expert's loch if ever there was one.• My son, however, is a sports fanatic if ever there was one.• An obstinate fellow, if ever there was one, and a very elusive one too. 