I could smell them, too - the sour odour of men's sweat.

And there was a distinctive, sour odor in the morning air.

The entire place gave off a slightly sour, almost offensive odor that none of the patrons seemed to mind.

The sour odor of old smoke hung in the air.

It is a white solid with a pungent sour odor.

She could smell sharp gin and the sour odor of his sweat.

It was not lit, but Johnny could smell its sour odor.

He stared at the piles, aware finally of his own sour odor.

Halfway down, the sour odor floated up to greet us.

The sour odor of Italian wine was thick enough to be seen.