double-O

[duhb-uhl-oh]

noun

Older Slang.

plural

double-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

We’ve seen caring Bond in some form ever since Craig first donned his double-O tight swimwear in “Casino Royale,” but it’s hard to remember him ever having shared quite so much.

Read more on Los Angeles Times

"Let's just say it's got a double-O in the title."

Read more on BBC

Long after he had handed in his gun and renounced his double-O licence, Connery maintained the prerogative of sexiness.

Read more on The Guardian

“All right, hey, everybody. Weird, weird day. But I’ve got a Cooter Brown brown ale and a Martin double-O-21 from 1963 and I’m in my little writin’ shed.

Read more on Washington Times

It’s 1950, and the spy has just been promoted to Double-O status, replacing a murdered agent.

Read more on Seattle Times