Answer: tiltatwindmills

AnswerCrossword Clue
TILTATWINDMILLSPlay pinball la the Dutch?
TILTATWINDMILLSBattle imaginary enemies
TILTATWINDMILLSBe quixotic.
TILTATWINDMILLSFight imaginary opponents.
TILTATWINDMILLSDo an exercise in futility
TILTATWINDMILLSFlunk out at derring-do
TILTATWINDMILLSFight imaginary foes