everybody does it

When a TV reporter or other public figure looks awkward it's often because they don't know what to do with their hands.

ABC journalists have noticed Rudd uses a variety of gestures.

http://www.abc.net.au/news/2013-08-30/the-many-hands-of-rudd-gifs/4924468

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What's a "bommyknocker?", I wondered after looking at the Rudd Gesture Report.

Seems there are lots of "interesting" definitions, but this is probably one of the few any ABC person would use publicly:

This is a rod with a weighted knob at one end. It was carried tucked up inside the sleeve so that if you were assaulted you could loosen your hold on the knob and the weight would slide it down out of the sleeve so you could grasp it by the other end (smaller knob) and swing the weighted end to hit the assailant.

Of course, Rudd did not invent the art of gesture - everyone has a gesture or two up their sleeve;

Is a look a gesture?

A question followed by a gesture;

I foolishly thought I had him by the short and curlies

But for the last word in gestures, we can't go past these two;