a type of fighting or combat without weapons. The term does not preclude use of other body parts, like legs, knees, and elbows. It also doesn't require that the entire fight be stand-up combat or exclusive of ground combat, like grappling and wrestling.
Those two drunk fuckers got into some mean hand to hand combat back outside the bar.
When two women attempt to claw the other's eyes out, settling instead for the slapping of faces and pulling of hair, usually over a perceived insult or stolen man; typically confined to any TV show designed to condescend to women and thus reap huge ratings.
The words "bitch" and "whore" were screamed, soon followed by the inevitable hand-to-hand wombat.