What is 'finger waggling'?

Question

When a Pokemon 'Waggles it's finger', what does it do, and how do you use it against opponents?(eg. what move makes your Pokemon 'waggle it's finger')

Answer 1

The move that you are describing is Metronome.

What this attack does is to pick a random move and execute it.

Source

Comments

Remember, most signature moves can't be chosen.
Ex. V-Create, Techno Blast