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 Project 

A sister project is a project related to another project by way of having the same parent organization.

Wiktionay is a sister project of Wikipedia which are both free-content projects by the non-profit Wikimedia Foundation.

Sister Project by wolfnine August 24, 2005

Sister Patterson 

New York`s mother. She hates Flavor Flav and Chance and will take away anything thug-like from her daughter. See devil.

Sister Patterson looks like the devil in her red suit and when she laughs like a hyena.

Sister Patterson by iHateEmos July 9, 2007

Sister Punch 

An alcoholic punch spiked with Xanax by sorority girls, in secret and at random.
Generally for sorority-only events and parties.
Often a means for fellow sisters to seduce one-another.
Lesbian orgies have resulted.

O.M.G who made the sister punch last night?!
I don’t remember anything after Emily brought me to her room LOL!

Sister Punch by Lexi Black November 6, 2019

Sister power 

The unbreakable, unspoken bond between two persons/siblings that virtually transmits strength, energy and courage from a far distance.

Person 1: I’m worried about my appointment today.

Person 2: I wish I could be there, sending you hugs and sister power!

Sister power by Antoinetta July 3, 2020

sister penis 

something that Sekretsu can't find out what it means.

"No, I'm not going to hentai.org to find out what sister penis is."

sister penis by Iking01 March 27, 2015

sister papanache 

someone who is very salty and sassy

“Sophia was being a sister papanache when she gave me sass in homeroom this morning”

sister papanache by crazycat2004 February 17, 2019