Meanings
How to pronounce "at the top of one's lungs":
AU
Very loudly; as loudly as (vocally) possible.
Example: "He started screaming at the top of his lungs after his team scored."
How to pronounce "at the top of one's lungs":
Very loudly; as loudly as (vocally) possible.
Example: "He started screaming at the top of his lungs after his team scored."