White hat

noun, slang

Definitions

Noun
  1. 1
    A good person; a hero. idiomatic

    "Berlin-Harlem showed relentless racism, including from the so-called friends of a black ex-GI in Berlin, without putting its central character in a 'white hat' either."

  2. 2
    A well-meaning hacker who hacks for a good cause or to aid a company, organization, or government without causing harm (for example, to identify security flaws). idiomatic, slang
  3. 3
    A sailor. idiomatic, slang

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