sister pringle 

When you adopt a Pringle to be your sister, they are know as a sister Pringle. This could also be used as a compliment as Pringles are tasty, so you are calling them tasty.

"Hey there, sister Pringle, how are you doing?"

sister pringle by MonkeyNuts8749 January 3, 2017

Sister-In-Law 

1. Your Husband's, Brother's Wife

2. The annoying bitch who thinks she has been in the family longer, so she can command the family to do what she wants.

3. The Family Manipulator

4. The Bitch that won't be at my wedding.

*Your* sister-in-law will NOT be at our wedding, because that bitch does not know how to shut her mouth.

Sister-In-Law by Fucking Cunt Whore Bags January 29, 2009

sister fister

The act of fisting your sister. Commonly refered to as incest.

Yo this kid named Francis is a fucking sister fister.

sister fister by Quay and Justin October 29, 2003

sister ray 

A Velvet Underground song off their album White Light/White Heat that is the loudest most distorted bizarre unwholesome 17 minutes of music ever created.

I couldnt hit it sideways...Just like Sister Ray said.

sister ray by searchin for my mainline December 28, 2005

Sister Zone 

When you like a boy and they come out saying that you are like a sister.

Girl: "You do so much for me. Thanks for always standing up to me."
Boy: "Yeah of course. You are like a sister to me."
Girl: **Dammit...he just sister zoned me** "Yeah. You are like a brother to me."

Sister Zone by Catzarecool September 15, 2017

Sister Twins 

Friends who are sisters, but more. They are alike in almost every way! They don't have to necessarily look alike.

Chloe and Erin are sister twins!

Sister Twins by meyoutwinning July 14, 2015

Sister bonding 

The act where two sisters, typically twins, avoid all altercations with their friends in order to spend quality time together.

Friend: "Hey, do you twins want to hang out"
Sister1: "Sorry we can't"
Sister2: "Yeah, go away. We need to go Sister Bonding"

Sister bonding by Baes rocker May 31, 2016