Step into the shoes of Miley Cyrus in Booms.io. Then show everyone your wrecking ball. Kill players or collect orbs to increase the size of your ball, and then lay waste.
Steer your character with the mouse, using your movements to direct the ball and its momentum. Right click to toss your weapon at your enemies, but be sure to pick it back up.
It's risky, but a well-timed "clip" can kill enemies just as well as a wrecking ball the face. All you really need to do is tap them.