Answer: fizgigs

AnswerCrossword Clue
fizgigstype of firework that makes a loud hissing sound
fizgigsspearlike implement with barbed prongs for spearing fish in the water
fizgigspolice informer
fizgigsFIZGIG, a firework (a device which explodes with loud noise and colour)
fizgigswhirling toy that makes a whizzing noise