Plural of curlyhead; multiple people with curly hair, or used affectionately for a group of children with curly locks.
Simple plural of 'curlyhead' formed by adding '-s' to the compound word.
You'll often hear 'curlyheads' used as an affectionate term for groups of children, similar to how 'redheads' gets used—language often develops cute collective nouns for groups of people sharing visible traits.
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