A group of men that join together and punch you with a metaphorical fist. Used to pump people up.

Donkey Kong's move in Super Smash Bros.
Destroys people.
Deadliest move in Smash.

When a guy takes a picture with a girl and when his arm is around her waist he makes a fist instead of putting his hand around her waist.

Fighting with no weapons, fist to fist.

The ultimate weapon of ass destruction. See fisting.

to insert ones fist into another individuals vagina or anus

the act or art of putting a fist in an ass or vigina, very popular practice among more evolved(kinky)gays. requires great care and huge amounts of lubrication