A silly human male warbling his lips and mouth.
A human male making warbling sound with mouth.
A human male making a warbling sound with his lips.
A police car siren or an ambulance from a distance. Vintage recording.
Subtle warbling and swirling accent
Shaking a toy quickly, with a warble
Shaking a toy with a warble
2 tone mid tones with repeating square wave tone and warbling
Police siren warbles and wails