Answer: tiltatwindmills

AnswerCrossword Clue
TILTATWINDMILLS

Play pinball la the Dutch?

TILTATWINDMILLS

Battle imaginary enemies

TILTATWINDMILLS

Be quixotic.

TILTATWINDMILLS
Fight imaginary opponents.
TILTATWINDMILLS
Do an exercise in futility
TILTATWINDMILLSFlunk out at derring-do
TILTATWINDMILLSFight imaginary foes