The books photography is by Daniel Castro, and published by Chronicle Books of San Francisco.

Simply brush the hand under the chin in a forward flicking motion.

Note: In Italy, this gesture simply means No.

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To perform, put your fist to your forehead while making a comical overbite.

The gesture is most effective when accented with multiple grunts.

The insult is extreme and almost certain to provoke violence.

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The implication is that the subjects addled brain is whirring as fast as the mill’s blades.

Fortunately, in many countries, it is simple to do: one simply gives him the Corna.

One neednt possess testicles to use the gesture, which is employed by men and women alike.

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Its origins are unknown, but its effect is swift and severe.

Simply make a fist then flick the thumb off the front teeth while exclaiming “cutta!”

(Screw you!).

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In short order, you will find himself ejected from the premises, your mission to offend thoroughly accomplished.

For extra emphasis, bang your elbow on the table.

This gesture informs them you are on to their attempts to deceive.

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To perform, move your nose side to side with the index and middle finger.

The movement suggests that something stinks, and you are trying to rid yourself of the odor.

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