Something else — the feeling you get after some kind of strenuous activity that raises your heart/breathing rate. Running, for example.
What you're referring to is getting the wind knocked out of you.
What you're referring to is getting the wind knocked out of you.
Curiously, in my karate dojo, we are taught to learn to fight whilst being winded - as in, having the wind knocked out of you.
It is.
I would think the rest of the US uses it the same way, just based on talking with friends throughout the country. I'm not sure if our brethren to the north use it the same way.