Slide whistle rising

Slide whistle falling

Whistle sliding down

Whistle sliding up

Whistle slide wobbling up and down

Cat call - slide whistle

Slide whistle - warble

Slide whistle falling

Slide whistle rising

Slide whistle - fast rise

Slide whistle - fast fall

Slide whistle - bomb dropping

Snoring with whistling exhale

Police whistle

Whoosh whistle

Slide whistle - cartoon falling

Slide whistle - cartoon slipping

Cartoon 'wa wa wa wa' failure

Cartoon slip

Cartoon falling & doink

Cartoon - dizzy fall & doink