Top definition
A female who doesn't share BOTH her parents with another girl. If a girl has only brothers, shes an only daughter.
If her mom has a baby girl with her step-dad, she is her dad's only daughter but not her mom's only daughter. If her dad has a baby girl with her step-mom AND her mom has a baby girl with her step-dad, she is not an only daughter.
I am not an only child, but I am an only daughter. I have 2 little brothers.
by Anna Lynn Sanders May 21, 2010
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