This article looks at the pre-fight stage when somebody is trying to pick a fight with you. It will not apply to a mugger or any form of “professional” street predator who is more likely to launch a surprise attack.
Peacocking is a phrase usually used to describe somebody dressing or behaving in a manner designed to get the attention of the opposite sex. However, from a martial arts/self protection point of view it is taken to mean how somebody puts on a display of puffing themselves up to make themselves look bigger and tougher in front of a potential opponent. The chest is pushed out, shoulders pulled back, head held high and often jutting forward and arms often held out from the sides of the body.
Continue to the rest of the article http://bunkaijutsu.com/2011/10/gift-peacocking/