Oo | 15 | v2 | The Concise New Partridge Dictionary of Slang and Uncon

ABSTRACT

O noun 1 an OBE (Officer of the Order of the British Empire). Used by civil servants; suggestive of a casual familiarity with the honour. UK, 1961. 2 opium US, 1933. 3 an ovation. Most commonly heard in the term "standing O". US, 1984