Sisterkins 

A broad term used by drug induced/intoxicated individuals to greet one another before engaging in discussion. An elite sisterkins is most commonly found at raves at the crackhead techno stage and never near the main stage. Widely accepted and praised amongst the gay community as they mingle together. Confused as to if an individual is an imposter sisterkins? Closely examine their nostrils for flakes of a white substance and watch their excitement level if they hear the word “poppers”

Mexican Twink: Omg heyyyyy sisterkins!!!

A sister gorl: Omg bitch! My wig!

Sisterkins by Le Grand December 16, 2019

Dr.sisterfister 

The man, the pope, the doc, the absolute gamer, a madlad thats has 3 monitors and a bunch of stash of anime girls, what a guy, yeah, oh but I have to warn you that he sometimes will ra-

and someone ship him with audiction, idk who, and idk when but...yes its real

Person 1: do you remember his name?, that youtuber I saw earlier in the streets?

Person 2: oh, the one that carries 2 anime body pillow?

Person 1: yea

Person 2: his name is Dr.sisterfister

Person 1: oh thanks

Dr.sisterfister by Proxley the serwofun caretaker April 13, 2020

sistering 

When you're friends with someone just to meet their hot sister

Why are you hanging out with him, he's such a jerk?
I know, but have you seen his sister?
I get it, sistering.

sistering by H. Archer May 24, 2016

sisterfister 

Strictly, one who indulges in a particular form of incest, using only their hand (see fister. Often used as a term of contempt, and shortened to "sissy" on account of their unadventurousness.

See also brotherfucker.

Your brother's such a sisterfister, you know.

sisterfister by Lucifer B September 20, 2005

Sisterfister 

Adjective meaning an alternative, clean version to Mother Fucker

*joey smacking Sarah on the butt
Sarah - "Ouch you sisterfister"

Sisterfister by Hink68PMMF October 25, 2017

sisterin

like bredrin
slang for sister
like girl friend

"yo girlfriend"
"yo sisterin!!"

sisterin by spanj June 2, 2004

Sisterfister 

its the female of rare species called brofister, it was discovered in youtupia jungles at 2017 by the famous scientist felix kelberg pergananet

and always sisterfister!!!!

Sisterfister by RoloxX September 2, 2017