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Definition of O'Brien, Flann in US English:
O'Brien, Flann
proper noun
(1911–66), Irish novelist and journalist; pseudonym of Brian O'Nolan. Writing under the name of Myles na Gopaleen, he contributed a satirical column to the Irish Times for nearly twenty years. Notable novels: At Swim-Two-Birds (1939) and The Third Policeman (1967).
