Can you whistle real loud by pressing your fingers to your mouth?

Question

Answer 1

No need.  on windy days I do that when I turn my head to the side.......goes right through.

Answer 2

Nope, I never could.

Answer 3

Nope.  

Answer 4

Nope

Answer 5

Yep! , I make People jump  

Answer 6

I don't have that ability.

Answer 7

No, but I can whistle in low sound without using the fingers.

Answer 8

No I tried but never been able to do that.

Answer 9

I never understood how that even worked!