n. a pattern of behavior which is perceived to be hostile, aggressive, or disruptive. As a pattern which may have gone on for 6 months, it is one which can be considered repetitive and persistent. Even as it impairs normal individual function, in can further reach the point that actions already violate societal norms.
BEHAVIOR DISORDER: “Among teenagers who go over and beyond occasional acts of mischief, their tendency to misbehave could eventually lead to behavior disorder.”