big O
noun1
Mathematical analysis, Mathematics, Sciences Upper bound function; see big O notation.
2
Slang Orgasm.
Usually preceded by "the"
- 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:
- 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.
3
Slang Opium.