Word.ws English Dictionary

big Os

big Os is the plural of big O.

Meaning of big O

Noun

big O (plural big Os)

  1. Upper bound function; see big O notation.
  2. (slang, usually preceded by "the") Orgasm.
    • 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. (slang) Opium.
    Synonyms:
    aunti/aunti Emma, chandu, Chinese tobacco, dopium, dream gun, dream stick, fi-do-nie, gee, God's medicine, gondola

Questions about big Os

What is big Os the plural of?
Big Os is the plural of big O.

Words near big Os in the dictionary

  1. big ol'
  2. big old
  3. big ole
  4. big one
  5. big ones
  6. big Os
  7. Big Osage
  8. Big Pats Creek
  9. Big Peach
  10. big pharma
  11. big phat

Source and license

Adapted from Wiktionary: big Os (page history and authors); big O (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “big Os.” Word.ws, https://word.ws/big_os. Based on Wiktionary, CC BY-SA 4.0.