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Slang words for a sister include "sis" or "sissy."

Sissy was originally a slurred form of the word sister. It was a neutral or endearing term. Over the years, sexism in society turned it into a degrading term meaning weak, particularly when someone calls a boy that. It can also have some homophobic undertones as well. So to be safe, the term should be reserved for girls when referencing friends or family members.

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12y ago

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