What is the definition of Leonidas?

Let's start with a laugh: A 'leonidas' is a Greek term that originally referred to the great king Leonidas of Sparta, known for his legendary bravery, especially at Thermopylae. However, in today's edgy world, it's often used to describe someone who's so stubbornly loyal and bravely stands their ground, even if it means sacrificing their own life for a noble cause.

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Now, here's an unsettling example sentence: "When the lionidas decided to lead his troops into the heart of the Nazi camp, he stood tall like a phoenix, ready to fight the flames of freedom with a mighty roar."