Has the "Huge mouth on Metagross's stomach" ever been revealed?

Question

It was in a Pokedex entry, and I was just wondering if anyone has ever seen it.

HB

Answer 1

![enter image description here][1]

Theres a picture with Metagross's mouth open.
[1]: http://25.media.tumblr.com/tumblr_m10l6cknlf1qd87hlo1_500.gif

Comments

I have been watching this for a few seconds now. It just never stops...it is Messing me up! Meh.

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im so confused, what move is it using

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Take Down maybe

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metagross using take down... shame, oh the shame
Looks a bit like X-Scissor, or Meteor Mash

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Thanks!   Never noticed it...