300 Club
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
The set of people who, while visiting Antarctica, have gone through a temperature change of 300°F (149°C) while naked, from a sauna to the icy landscape outside, as part of an informal tradition.
Register: slang
Where it’s used:
Used
American English
Examples
A few years ago Tony and I were talking about the South Pole 300 Club (members take a 200-degree sauna followed by a sprint around the south pole monument when the temp reaches -100). We wondered, quite longingly, if we would ever have that chance here in Minnesota.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “300 Club” mean?
The set of people who, while visiting Antarctica, have gone through a temperature change of 300°F (149°C) while naked, from a sauna to the icy landscape outside, as part of an informal tradition.
Is “300 Club” formal or informal?
300 Club is generally slang.