Implode is an entirely useless move that makes the Pokemon that used it faint. It has no effect on other Pokemon except making them laugh really hard. Some say it is a rip-off of Explosion but that move also results in the Pokemon using it fainting. It is mainly used by Voltorb and Electrode but then many other idiotic Pokemon soon discovered how to use this suicidal move. Thankfully it doesn't make the Pokemon that used Implode die.