1) Mopish behavior 
Mopery iː is a vague, informal name for minor offenses. The word is based on the verb to mope, which originally meant `to wander aimlessly”; it only later acquired the overtones of `bored and depressed`. The word mope appears to have first been used in the 16th century, and appears in Shakespeare`s works. It has occasionally been put into ...
mopish behavior. · a violation of a minor or imaginary law or rule.