Barbie doll
US /ˈbɑːr.bi ˌdɑːl/
UK /ˈbɑːr.bi ˌdɑːl/

1.
a fashion doll manufactured by the American toy company Mattel, Inc.
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My daughter loves playing with her Barbie doll.
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She collected many different types of Barbie dolls.
2.
a derogatory term for a woman perceived as shallow, materialistic, or overly concerned with her appearance, often implying a lack of intelligence or substance
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She's such a Barbie doll, always worried about her looks and nothing else.
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He called her a Barbie doll because she seemed so superficial.