sister forever

Eden the girl that is always there for you no matter what!

Eden…jades sister forever

by Idk and idc March 2, 2014

Sister Subreddit

Literary just a term created by the users on reddit that just means a subreddit that is similar to another subreddit that they created. It is also shortened to "Sister sub".

Check out our sister subreddit of r/fakehistoryporn called r/fakeprehistoricporn

by GROVEnotusedb4 May 31, 2020

Sword Sisters

Much like eskimo brothers, sword sisters are two or more women that have shared the same penis.

Wow those two chicks have all had sex with the same dude guess that makes them sword sisters

by Sir jay dom August 14, 2017

Sister whipped

When someone is hit by a nun with a bible or yard stick for swearing at church/school. Also applies to when one's biological sister whips him/her with a long object.

Person 1: God***n it!

Nun: (Slaps person 1 in the face with bible)

Person 1:Dude I got sister whipped at home
Person 2: LOL

by airsoftkillm March 4, 2011

step sister

The person who is always complaining about how you took her room when you moved in

my step sister hasn't stopped glaring at me since i moved in

by LunaJade April 3, 2015

sister-biffle

a sister who is also a best friend, or a friend who is closer to you than a friend and is more like a sister.

My sister, Kim, is also my best friend; she is my sister-biffle!
I love my friend Kristin so much, we are such good friends that she is more like a sister to me; she is my sister-biffle!

by BAD1484 May 13, 2010

Sperm Sisters

Women who all have a child with the same mans sperm and support each other for the sake of the children.

"We didn't know too much about each other, but now that we're sperm sisters our sons have the right to know their brothers from other mothers"

by milk9837 October 18, 2011