nose test

Etymology
Suggesting the identification of something by how it smells.

Noun

 * 1)  An informal method for determining whether something is authentic, credible, or ethical, by using one's common sense or sense of propriety.
 * 2) An inspection of an object using the sense of smell, as for freshness of food.
 * 3)  An inspection of the nasal passages or a trial of their function, as for breathing difficulties.
 * 1)  An inspection of the nasal passages or a trial of their function, as for breathing difficulties.
 * 1)  An inspection of the nasal passages or a trial of their function, as for breathing difficulties.