Etymology

bro code

Today it means: A supposed code or law stating that men ("bros") should always support each other, especially in situations involving women. Full definition →

First used 2008
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The story

Popularized by the 2008 book The Bro Code, which listed 150 rules of what "bros" should or should not do.

First known use, by meaning

  • from 2008 A supposed code or law stating that men ("bros") should always support each other, especially in situations involving women.

Etymology from Wiktionary, CC BY-SA 4.0.