Sister in flaw

When your sister in law thinks she has diving board skills and can't even pull off a front flip.
You should of seen my sister in flaw embarrass herself at our subdivision pool.
by Webster 57 July 31, 2022
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radiator sister

A woman who is a little rough around the edges but like a radiator in that she radiates or emits light, heat, & sound.
I like her style, she's definitely a radiator sister .
by MoreDirtyHarryThanGirl April 21, 2018
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Step-Sister

A step-sister is when you get a handjob while behind the wheel of a right-side driving vehicle in ‘Merica!!
I just got my new SUV from London, my girlfriend gave me a ‘step-sister’ the first time I drove it in America!!
by T-town Gibby March 21, 2025
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Beat up your sister day

You've always waited for this moment but you never had the occasion, now you do
Oh where are you sisteeeer, its timeeee, today is beat up your sister day
by Martichucho August 07, 2022
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wimbrey sisters

The best set of sisters you will ever meet! Super fun and cool to be around and my bestest friends in the whole world. Only question is, is it Psalms and Hannah or Hannah and Psalms. Other than that issue you have the perfect pair. :)
Are those the Wimbrey sisters?

YES!!!! I LOVE THEM!!!!!!!!!!

Me too!
by wimbreyrules101 May 20, 2018
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sisters

"sisters","sisters" are being really close friends by that i mean REALLY CLOSE....anyways having a "sister" like this gives you the feeling that a kid has walking into willy wonkas chocolate factorie.

if your "sisters" there are some rules

share food ALWAYS
no talking behind each others back
no secrets (if you know something your sis know too)
hate the same things and people
if they hurt,laugh
dye your hair with them,
you can get dressed in front of them without being emmbaresd
and support them in every possible way

my "sister" is funny ,
amazing,
optomistic,
kind,
and overall the best person i know

heidi if you are reading this

(inside joke alert)
ooo eee oo a a eeee oo oo oo eee
i wish i was "sisters" like grace and heidi they are having a blast
by bubba loves graky August 10, 2020
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