O.O.

noun

A brief glance or visual examination (typically of a person).

First used 20th c.
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Meanings

noun

alternative O-O

  1. USslangA brief glance or visual examination (typically of a person).First known use 20th c.

    I wish you'd give Neewah the O.O., Captain. He hain't so hot!

    1931, Marion Star (Ohio), cartoon caption, 18 July
    2 more examples

    After giving the town the once over, or as Tad puts it, the ‘O.O.’ […].

    1916 September 5, O. O. McIntyre, New York Day By Day

    Boynt meanwhile, having run his usual unsociable O-O of Skeet, “Recall there's a depression on, we can only afford so much pro bono work […].”

    2025, Thomas Pynchon, Shadow Ticket, Jonathan Cape, page 6

Origin

Abbreviation of once-over.

Full word history & related roots →
Cite this entry
APA

O.O.. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/O.O.

MLA

“O.O..” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/O.O.. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “O.O.,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/O.O..

Source: O.O. on Wiktionary, CC BY-SA 4.0.