An individual that sexually gratifies themselves by self-fisting their own ass. May or may not be performed with a simultaneous wank of the genitals.
Wanking became too mundane for Carl so he turned into a fisturbator to get himself off.
by Eaton Holgoode April 12, 2017
Get the Fisturbator mug.
To masturbate by inserting one's fist into one's own orifice or orifices. Artificial or disembodied fists may also be used. The word is a hybrid of "Fisting", "Masturbating" and "Sophisticated", and as such could be considered a sophisticated form of self-fisting.
"I wouldn't go in there Gavin, Tylah is Fisturbating."

Bryce: "Dan, if you don't sort that shit out my fist will be up your ass"
Dan: "I can fisturbate MYSELF!"
by Under Training April 27, 2008
Get the fisturbating mug.
the act of being disturbed by the fact you are being fisted
sorry I didn't finish my homework teacher, my study partner fisturbed me all night long!
by Matt Huff October 30, 2017
Get the fisturbed mug.
v. A variant of fisting in which you wank yourself inside a partner’s orifice as you’re fisting. Chiefly a gay anal sex practice involving the motion simultaneously stimulating the fistee’s prostate, but can also be vaginal.
“Fisting Robin was getting me harder and hornier, so I slipped it in and fisturbated”

“I want you to fisturbate and then punch your spooge deep inside me”
by NYCBill July 14, 2021
Get the Fisturbate mug.