In The Angry Smile, we define five distinct and increasingly pathological levels of passive aggression:
Level 1: Temporary Compliance, in which the passive aggressive person verbally complies with a request, but behaviorally delays acting on it. Temporary compliance is the most common form of passive aggressive behavior and sounds something like, "I'm cooooooming!"
Level 2: Intentional Inefficiency, in which the passive aggressive person complies with a request, but carries it out in an unacceptable manner. Intentional Inefficiency looks something like my husband unloading the dishwaser by putting everything out on the counter and claiming, "I wasn't sure where these went!"
Level 3: Letting a Problem Escalate, in which the passive aggressive person uses inaction to allow a forseeable problem to escalate and takes pleasure in the resulting anguish. Passive aggressive kids are at this level when they return a car with an empty gas tank, even when they know their parent will be late for work if they have to stop for gas.
Level 4: Hidden but Conscious Revenge, in which the passive aggressive person makes a deliberate decision--and takes hidden action--to get back at someone. This more serious level could involve stealing field trip money from the purse of a teacher who they feel has mistreated them, sabotaging the presentation of a colleague who they feel was unfairly promoted over them, or slashing the tires of a resented step-father's car.