Define Step Sister Meaning

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 Pennie
Step-Sister
Someone that will always help you get rid of that boner.

By Magdalene
Step-Sister
Step sister is always stuck in the Washing mashine at the right time to get rid of yout Boner.

Step-Sister: Hey im Stuck help me step Bro.
Step-Brother: You know the rules and so do i.
By Charlena
Step Sister
sis are parents are home we should stop

you ok meet me inside the shower

sis ok see you there

you hey step sister our parents aren’t home yet let’s fuck in the shower

sis ok sounds fun
By Pollyanna
Side-step-sister
The step sister of your step brother or step sister.

KAREN: This is my side-step-sister, Sherry.

JANE: Side-step-sister?

KAREN: Yes, Sherry is my step sister's step sister.

SHERRY: Hi, Jane. Did you meet Alice?

JANE: Yes.

SHERRY: Well, Karen & I are not genesisters at all. But, Alice is the step sister of BOTH Karen AND I. That's how Karen and I met -- through Alice.

JANE: Okay. I get it. Neat!

By Ardella
Step-sister-sticker
Step-sister-sticker

(noun)A young man who is boinkin’ his stepsister.

(verb) to pound your stepsister into the mattress.

(verb) to fill every orifice of a stepsister at every available occasion.

Damn, man, you seen Tony? He's lost over 50 pounds on his new step-sister-sticker diet.

“Dude, I’m beat. I pulled off a 4 hour stepsister-sticker with Jasmin last night.”

“Man, I’d like to ask her out, but that big bastard over there is her stepsister-sticker.
By Ursola
Stuck Step Sister
An overused porn title that is too cliched and boring.

By Vinny
Step-Sister-Wife
A wife's husband's "other woman" known to the wife; whether openly acknowledged or not.

The legal wife of a woman's, generally a mistress, long-term boyfriend/lover/mate.

Two or more women who share a romantic relationship with one man, but do not share a dwelling/residence.

After spending 25 years with me and simultaneously spending 18 years with her, she was more like a step-sister-wife than my husband's mistress.

Since Warren Buffett never divorced his wife Susie, she and his long-term partner, Astrid, are, for all intents and purposes, step-sister-wives.
By Moselle
Step-Sister Syndrome
A girl who is very attractive but due to more attractive sister(s) or long term friends has not gotten exposed to people thinking she's hot since they all go for the sister or friend. Usually consider themselves ugly and like in Ugly Duckling Syndrome have good personalities and will date any guy because "Looks aren't important" and they have a good sense of humor.

Originates from Cinderella.

Aaron: Amy you're hot
Amy: No I'm not, my sisters are and I got the shitty genes
Aaron: Want to come over later?
Amy: Sure, your funny.
Aaron: Hurray for Step-Sister Syndrome
By Mara
X Step Sister
X step sister, not the same as step sister. X step sister is a combination out your old step sister and a hoe you “didn’t get inside of” saying this in any context means you did Indeed ruin your “X step sister’s” throat. Not to mention the gaping vagina she received on Christmas Eve in your dad’s room/“X step mom”. We prefer not to speak of the “X step mom” and the little brother you created.

Oh, we aren’t really related anymore, she’s my “X step sister”.
By Fan