1. Smelling salt refers to inhaling a substance (such as ammonium bicarbonate or mica) through the nasal cavity to stimulate the respiratory system, so as to achieve the feeling of excitement or stimulation. Smelling salt is considered as an entertainment or stimulating activity on some occasions, but it also has certain health risks, because improper use will lead to respiratory irritation and other adverse effects.

The word 2.ush is used to describe a quick and intense feeling or experience, which refers to the feeling or effect of using stimulants.