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1.
Bro fisting is when one male makes a fist to another usually saying good look, power to you or just saying im behind you with what ever. For more power close the eyes and look down while doing it.
I'm bro fisting you over the internet, bro.
by BloodyDali January 21, 2009
 
2.
It's like fisting. But with a bro.
Yeah... We were totally brofisting...
by danielleyb@gmail.com November 28, 2010
 
3.
The act of bro fisting consists of several steps. First, one must get the bro drunk. This usually takes 3 Zimas, or 10 Smirnoff ices.

Once drunk the bro's pants are pulled down to his ankles, and he is bent over the arm of a couch.

At this point the bro may fight back, so one must turn on a Dave Mathews album to pacify them.

Next, lube up your left hand and arm, all the way up to the elbow.

Force your fist into the bro's anus, starting first with two fingers and then slowly stretching the opening until it's loose enough to take the whole fist and arm.

Slide the arm in all the way to the elbow, and then make a fist in their colon.

Turn your knuckles 90 degrees counter clockwise.

Congratulations, you have completed your first bro fisting!
Bro fisting announcement: I bro fisted the shit out of you last night bra
by Stinkfist the lubricated July 02, 2010