Eskimo sisters is a slang term referring to two women who have had sexual relations with the same man. It’s often used to imply a bond or a shared sexual history between the two women, though the phrase can be considered offensive or outdated because it uses the term “Eskimo,” which many Indigenous peoples find inappropriate or colonial in tone. The concept also appears in discussions of “Eskimo brothers” (the male equivalent) and has been popularized in reality TV commentary and online slang. Key points to know:

• Meaning: Two women who have slept with the same man at different times.
• Connotations: It can be jocular among some groups but is widely criticized as disrespectful or dehumanizing, especially given the problematic usage of the word “Eskimo.”
• Alternatives: If describing the situation neutrally, you might say “two women who shared the same former partner” or “two women who dated the same man,” depending on context.
• Cultural notes: The term is considered pejorative by many Indigenous communities; usage is discouraged in respectful discourse.

If you’d like, I can tailor the explanation to a specific context (e.g., media references, social media usage, or a discussion with friends) and suggest more respectful phrasing for that setting.