shit fist 

One who masturbates into thier hand, which is full of feces.

you: hey bitch!
me: hey shitfist

shit fist by fuckoffanddie March 27, 2005

shit on your fist

The state of your hand after anal fisting, i.e. shit-covered

Jeremy: Thanks for that sweetie, I really love it when you strech me like that.
Steve: I just love tickling your insides.
Jeremy: Hope you don't mind too much shit on your fist

shit on your fist by Big Bear and Papa Smurf March 22, 2009

Fist my shit cannon 

To insert your fist into someone's anus

My girlfriend was so nasty last night she said fist my shit cannon

Fist my shit cannon by Lasersword May 6, 2018

Shitfisted 

the act of putting your hand in your dirty, nasty ass crack and then shaking hands with someone you do not like.

i had a meeting job meeting with some guys i did not like, so i shitfisted them all.

Shitfisted by devilace July 24, 2009

shitfister 

One who fists in the ass, especially after ones partner has not wiped after a shit

That Underwood is a real shitfister

shitfister by gek of Arabia October 9, 2004

shitfisting

Repeatedly inserting your fist into one's anus while the victim is shitting.

So I walked into the classroom and found a crowd of retards shitfisting eachother laying fecal matter all over the walls.

shitfisting by funiek March 1, 2014