The act of inserting one's fist into another one's anus or vagina, and fist pumping like Pauly D, Mike, Vinny, or Ron off of MTV's hit reality show "Jersey Shore".
Jack: "You have fun last night?"
Ryan: "Hell yeahh! That girl loved it when I was Jersey Shore Fisting her!"
Ryan: "Hell yeahh! That girl loved it when I was Jersey Shore Fisting her!"
by Undeader25 October 27, 2010

We can't compete with svetlana during happy hour at the Inn when she's offering Ukrainian Fist Bumps for $5 bucks down at Mickeys!
by DaddyScrapes27 May 31, 2018

After I applied my AXE body spray via the double pits to chesty technique, she got so hot that she allowed me to attempt double fists to recty on her. She won't be shitting right for a month.
by Doctor Shakalu May 2, 2010

An advanced technique for performing oral pleasures on a man.
1. Hold the penis with both hands
2. Insert penis in mouth
3. While moving head up and down rotate hands and arms in opposite directions.
Thus, making a helicopter blade motion with double fists.
1. Hold the penis with both hands
2. Insert penis in mouth
3. While moving head up and down rotate hands and arms in opposite directions.
Thus, making a helicopter blade motion with double fists.
Woman: "I'm feeling really creative and experimental tonight. What would you like me to do?"
Penis: "I heard about this thing called a Double Fisted Helicopter"
Woman: "Oh yeah! I learned that from my mom. It will feel great"
Penis: "I heard about this thing called a Double Fisted Helicopter"
Woman: "Oh yeah! I learned that from my mom. It will feel great"
by KarliMonster March 23, 2011

When something is so totally good that its awesomeness can only be expressed by clenching one's fingers, turning their wrist to face the body, and dropping the elbow and shoulder in a manner that exudes awesome.
Sometimes when performing said fist pump, you should alert others to the awesome you're about to hit them with.
Sometimes when performing said fist pump, you should alert others to the awesome you're about to hit them with.
Guy A: Yo, did you see that girl, she's smokin... Dayumn.
Guy B: She's (*pumps fist*) FIST PUMPING GOOD, HELL YEAH!
*note how B had to alert A of the fist pumping goodness*
Guy B: She's (*pumps fist*) FIST PUMPING GOOD, HELL YEAH!
*note how B had to alert A of the fist pumping goodness*
by David Fier August 8, 2006

Dual fist action refers to rubbing the meat with both hands. Generally speaking if you can fit both hands on your dick it is very large.
by N404SY May 3, 2022

One fist in the ass and one in the vag and alternate fists up and down vigorously and make karate noises while you do it
by fist_fistopherson December 2, 2011
