Grandma fister

One who attempts to stick his entire fist (sometimes both) inside a woman above the age of 65.

1. Ethan, you're such a grandma fister. That bitch was old as hell.

2. Damn Ethan quit your grandma fisting older women and do your homework!

by Connor James Plaza November 16, 2011

ur sister fister

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*

by Zygno April 4, 2018

Fisterblaster

The act of inserting ones fist into a womans vagina while twisting it rapidly.

Man 1: "Dude, your old lady is walking kinda funny today"

Man 2" Yeah bro, I gave her the fisterblaster last night"

by Dillbert McRae February 18, 2010

Mr. Fister

A man who penetrates other men/women rapidly with his fist.

"Hey look, there's the legendary Mr. Fister. How was last night?"

by datindianguy10 November 23, 2016

double fister

similiar to a fister, but with 2 fists. only for the extremely kinky and it is very painful but oh so good. also brings climax amazingly fast

i gave Joanna a double fister last night. she started to cry in pain but didnt want me 2 stop coz it felt so good

by brennan234 July 17, 2006

sister fister

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

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

by Dankolas O. January 25, 2016

double twister fister

the act of inserting both fists into a womans vagina (at the same time) and and rotating them back and forth.

woman- lets do something different.

guy- ok. lets try the double twister fister!!

woman- yeah. now stick ur fists in there and twist them.

by superbugsbunny4 June 13, 2011