big O

noun

Upper bound function; see big O notation.

Similar
aunti/aunti EmmachanduChinese tobaccodopiumdream gundream stickfi-do-niegee
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Meanings

nounbig O (plural big Os)

plural big Os

  1. mathematical analysisUpper bound function; see big O notation.
  2. slangusually preceded by "the"Orgasm.

    2025 October 21, John Matthew Fox, “9 Writing Strategies of Authors in the Top 1%”https://youtu.be/_EeaAfAOxTw?t=284s, Bookfox Think of the faked O in Harry Met Sally, what she did in that restaurant.

    1 more example

    Various sections of the brain are activated during the Big O, including the limbic system.

    2024 August 26, Kimberly Delarosa, “Can Orgasms Make You Smarter? Here’s What Experts Say”, in Glamour, archived from the original on 18 Mar 2025
  3. slangOpium.

    Synonyms: aunti/aunti Emma, chandu, Chinese tobacco, dopium, dream gun, dream stick, fi-do-nie, gee

Synonyms & antonyms

nounOpium.

Similar
aunti/aunti EmmachanduChinese tobaccodopiumdream gundream stickfi-do-niegeeGod's medicinegondolagoricgumahop/hopsmeconiummidnight oilmudopepen yanpin gon
Also see
chanduhigh-hathopmeconiummidnight oiloopiumorgasmreleaseyen
Cite this entry
APA

big O. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/big%20O

MLA

“big O.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/big%20O. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “big O,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/big%20O.

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