Eskimo sister

[Tanya Shivari]

A woman who has shared a sexual partner with another person and the two are on friendly terms. In todays day and age, the eskimo sibling could be a male or another female...you just never know.

[Justin Bieber]

The term eskimo sister is a slang expression used to refer to an older woman who is still attractive and has not yet become a grandmother. The term is often used in informal settings, such as bars or clubs. It is not meant to be offensive and can even be considered endearing.