Answer: POWERTRIP

AnswerCrossword Clue
POWERTRIPMisuse of authority
POWERTRIPSelf-indulgent exercise of authority
POWERTRIPEgotistical display
POWERTRIPAssertion of control over others
POWERTRIPExample of self-indulgence
POWERTRIPShow of control, slangily