double-O

[ duhb-uhl-oh ]

noun

, Older Slang.

, plural dou·ble-Os.

1. careful scrutiny or close inspection.

Word History and Origins

Origin of double-O¹

1915–20; after the two o 's in once-over

Example Sentences

But I have almost come to think of them as the same person: Double O.

From The Daily Beast

Listen, boy: if ever you're trapped and can get to a telephone, call Plaza nine-double-o-one and say 'Benvenuto Cellini.'

From Project Gutenberg

The double o is not required to shew vowel-length, when a single consonant and an e follow.

From Project Gutenberg

He had been too occupied with Double O affairs to have much time for Jerry.

From Project Gutenberg

He invited me to inspect the Double O with him this morning.

From Project Gutenberg

U does not always have the sound of double o—very rarely in fact.

From Project Gutenberg