Answer:
I bubble and laugh and spit water in your face. I am no lady, and I don't wear lace.
It can cause deflation of tires when dropped from the rear of spy cars.
Both old people and owls are said to be possessing this trait
What has a big mouth, yet never speaks?
I have legs but walk not, a strong back but work not. Two good arms but reach not. A seat but sit and tarry not.
Brings the sky a lot closer.