noun
The leader or head of a group or organization
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The mom-in-chief of the school's parent-teacher association organized a successful fundraiser.
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My friend is the mom-in-chief of our playgroup, always planning fun activities for the kids.
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She's the ultimate mom-in-chief, always making sure everyone is taken care of.
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In the world of superheroes, she would definitely be the mom-in-chief, keeping everyone safe and happy.