The half sister of your half brother or half sister.
I got to see my unsister on Thanksgiving.
3👍 7👎
It’s an action you do when you ‘sister’ forgets about you and forgets about you in posts or tags and is being a dick. So you have to unsister her as a sister.
Friend1: I think I’m going to unsister her
Friend2: OMG NO WAY YOUR unsistering HER!
an action used when you unsister someone because your ‘sister’ forgets about you daily and stops posting about you not texting you.
Friend 1: Im going to unsister her
Friend 2: Omg no way you are insistering her
So you see unsistering is a word/ action used when a friend wants to be a dick and forget you