Thin and hollow whooshes. Metallic warble.
Multi pitch tone modulating quickly and descending in intensity
A silly human male warbling his lips and mouth.
A human male making warbling sound with mouth.
Hitting two pieces of metal together or a metal impact with a wobble.
Metal warble. Large thin metal sheet being shaken.
Plastic being waved creating a whooshing sound.
A human male making a warbling sound with his lips.
Shaking and wobbling a thin metal sheet. Fast, warble.