Why is a WOLF WHISTLE called a Wolf Whistle?!

Question: cos it signifies a predator seeking/chasing their prey?

Answers: cos it signifies a predator seeking/chasing their prey?

because they are made by wolves.... as opposed to nice guys....

What's a wolf whistle? I'm sure it's called that so you can call wolves to shoot them and skin them...

because it's loud like wolves.

cause the 'Don Juan" types are called wolves, and they arethe kind of guys who do it

because it is

only wolves can hear it

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