The process though which you separate the attacks of each individual Ice Climber. It can be done in a variety of ways, most commonly with dodging or using your shield. It is one of the underlying techniques of an advanced Ice Climbers.
Wobbling is a technique of which is used to get simple KO's, only able to be performed by the Ice Climbers. It is the process of grabbing the opponent and pummeling them repeatedly in an inescapable, infinitely long grab.
During the first pummel (mash repeatedly at a constant rate; some say 200BPM), you must or / and hold it the control stick in that direction as you continue pummeling. If done correctly, then you should have them in an infinite grab state of being pummeled, not allowing the opponent to do anything as you rack up damage and use (in any direction) to finish them off.