a girl whose cunt is large enough to fit her fist.

hey look --- its RIE FISTER!

or used as a verb:

she got RIE FISTED last night!
by chase is AWESOME April 22, 2008
Get the rie fister mug.
Queerson fister is a ex nfl quarterback who played for the Cincinnati Bengals Oakland raiders and Arizona cardinals he got his name from fisting former coaches in the showers
Queerson fister was seen fisting Hugh Jackson in the shower and screaming I'm worth 12 first round draft picks !!
by BIG HEAD TED December 5, 2022
Get the queerson fister mug.
one of the more prolific gay bars of the west hollywood, california area
ted had a tshirt that read: "I got my funny button tickled at Mister Fister"
by teresa strasser April 10, 2008
Get the Mister Fister mug.
One who fists spores.

Fungi reproduces asexually through sporing. Thus, those individuals who you call "asexual" as an insult can also be called a "spore fister" as they are attracted to spores.
You're such an asexual spore fister!
by AxlRose August 10, 2007
Get the Spore fister mug.
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
Get the Grandma fister mug.
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 24, 2016
Get the Mr. Fister mug.
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
Get the double fister mug.