Earlier this year, for example, Safar al-Hawali, a popular preacher once imprisoned for his combative views, launched a group called the World Campaign to Fight Aggression.

ECONOMIST: Saudi Arabia

Professor Coleman said the use of slang "emerges when people are put in a position where they are bottom of a hierarchy" but have a strong sense of group identity - using it as an "outlet of aggression".

BBC: Slang through the ages

Analysts say that as part of the Lebanese government the group would be risking a great deal if it responded to Israeli aggression with force.

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