When your mother starts having babies before your granny stops having babies, and now you are 3 years older than your aunt, but you're both raised like siblings.
by Tara Crush April 29, 2019
Get the Sister Aunt mug.A person which is not blood related to your family, but acts like both an older sister and a cool aunt. She fits right in to your family as if you are blood related.
by ohlala1010 June 30, 2021
Get the older sister aunt mug.