quarter sister

The half sister of my half sister or half brother.

Amy and Randy had Josie. Randy and Patty had Vanna. Patty and Bob had Andy.

Vanna is Josie's half sister.
Vanna is Andy's half sister.
Josie is Andy's quarter sister.
Andy is Josie's quarter brother.

by onegreenfroggie August 15, 2009

Leap Sister

Your Brother-In-Law's wife, or your wife's brother's wife.

My leap sister is a total psycho, I feel bad for my brother-in-law.

by pish pishter May 9, 2019

Kyon's Sister

Kyon's sister is a 6th grade student. Her real name is unknown, not even a nickname. As her name suggests, she is the younger sister of Kyon. She spread around the nickname "Kyon" and caused everyone to call him that. She is known to the SOS Brigade as "Little Sister".

we finna raid area 51 and get Kyon's Sister real name

by Gumzx February 18, 2021

italian sister

When you receive a blowjob from a dude in the dark with a mustache but it doesn't count as being gay because you cannot see it.

Last night I got an Italian sister from Frank.

by The real White Fury October 9, 2017

Stepish Sister

The daughter of your dad's (or mom's) significant other.

When I visit my dad I stay in my stepish sister's room.

by Cowboy Pete August 22, 2010

Slut-sister

Girl in your close circle who only sleeps with guys others in the group have dated.

That's Becky. She has slept with all our ex-boyfriends. That’s we call her our

slut-sister, but we love her unconditionally.

by Blkprep August 19, 2021

Nitzan's sister

A very hot girl, Wich we can't stop speaking about. Sadly, we never saw her in person, but we all know she exists.

What about nitzan's sister?
She's fit!

by Wtfactory November 14, 2020