Put it at the start of a chase or street scene, then follow the arrival with the dramatic dun dun dun sting to mark the catch, and save the MLG air horn for the reveal that turns the whole scene into a joke.
About this sound
This 15-second clip captures a Brazilian military police siren wailing in a climbing and dropping pattern, its sharp two-tone electronic tone standing out over street noise. It feels urgent and tense, instantly suggesting authority, a chase or an emergency, and it can make a small moment seem comically overblown. It is a generic recording of a patrol car siren in Brazil, not a sound taken from a film or show.