The most powerful attack a character can do in Super Smash Bros Brawl. It can only be used when the character shatters a smash ball. The final smash usually scares the crap out of everyone else playing.
Player 1: "Oh yeah, I just got a smash ball! You ready for my final smash??"
The most prized item in Super Smash Bros Brawl. This item floats around the screen and must be attacked by the players in order to break it's shield. The smash ball's shield diminishes over time, too. Once a player shatters a smash ball, that player can then perform a final smash.
Player 1: "A smash ball!"
Player 2: "Back off, it's mine!"