Definition of "someone's" []

• The possessive adjective for someone. (adjective)
• Someone is (phrase)
• Someone has (phrase)

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• "Whenever someone DMs (sends a direct message) to me or @me (way of calling someone's attention publicly on Twitter), I make it a point to always respond in a very personal way."
• "From the joys of exploration to the simple pleasures of curling up in your own quarters (often with a hot yeoman and a cold drink), from the value of friendship to the value of calling someone's bluff, I've learned dozens of life skills, lessons and even values from the iconic show that ran only three years in prime time when it originally debuted (before I was born)."
• "And with that, Obama set off a flurry of partial quote headlines like "To call someone's bluff" is of course a poker term that means "to expose someone for betting big with a bad hand.""