Answer: AIRHORN

AnswerCrossword Clue
AIRHORNArena blaster
AIRHORNHiker's wildlife repellant
AIRHORNEar-piercing device?
AIRHORNMeans of alert
AIRHORNStadium noisemaker
AIRHORNLoud gizmo
AIRHORNArena noisemaker
AIRHORNBleachers blaster