The reversal of passive aggression is aggressive passivity, presenting an apparently hostile face while inwardly staying calm and taking no unfriendly action. The purpose here is intimidation: perhaps you know you are the weaker of the two sides and hope to discourage your enemies from attacking you by presenting a blustery front. Taken in by your appearance, they will find it hard to believe that you do not intend to do anything. In general, presenting yourself as the opposite of what you really are and intend can be a useful way of disguising your strategies.
