Definder - what does the word mean?

What is sister fister?

Someone who is against pewdiepies "sister fister"

"The sister fister resister club is protesting for it to be the 'brister fister'"

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sister fister - video

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Sister fister - what is it?

Stronged then any of the ur mom gay insults

Person 1 : ur mom gay

Person 2 : ur dad lesbian

Person 3 : Ur granny Tranny

You : ur sister fister

*world melts and universe explodes*

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What does "sister fister" mean?

Mr. Sister Fister is a middle aged man who puts his finger his sister’s vagina

That man looks like/is a Mr. Sister Fister

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Sister fister - what does it mean?

A bitch you can stick your fist inside of her pussy, no lube necessary. The word sister referring to any random female.

The girl i met last night i was down to fuck, until i realized it was Sister Fister.

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Sister fister - meaning

Nun hand fucker

I fisted the sister during confession

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Sister fister - definition

A person who fists peoples sister

amr fisted my dog

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Sister fister - slang

The act of fisting your sister. Commonly refered to as incest.

Yo this kid named Nicholas O. is a fucking sister fister!!

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Sister fister

Anyone who has shoved their hand into a friend's sister's cunt

1) WOW I PULLED THE SISTER FISTER ON STEPH
2) I pulled the sister fister on blakes sister

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Sister fister

a brother or even a sister that likes to casualy fist their sister up the vagina or even the arse hole. Most of the time resulting in a very sore vagina/anus, and if caught resulting in a sentence of 10 years in jouvey.

(here is a role-play of a sister fister and his sister)
Kirsten after a long sleep
Kirsten: o hi there Aaron i didnt see you over there in that dark corner.
Aaron: You dont need to see me, you just need to feel me
Aaron and Kirsten both grin and Kirsten turns around

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Sister fister

The act of fisting your sister. Commonly refered to as incest.

Yo this kid named Francis is a fucking sister fister.

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