"Let the air out" is a colloquial expression that refers to the act of intentionally releasing or allowing air to escape from a confined space or container. Primarily, it is used in the context of deflating something that is filled with or operates based on air or gas pressure.
This phrase is commonly used when discussing inflatables, such as balloons, inflatable toys, sports balls, or air mattresses. By releasing the air from these items, they become flat and lose their inflated shape. Additionally, it can also apply to scenarios involving punctured tires or any other pressurized objects.
The figurative usage of "let the air out" stems from its literal meaning. It is employed to describe deflating or puncturing the enthusiasm, optimism, or excitement that someone may have. This could be due to disappointment, disillusionment, or negative experiences that dampen their spirits. When used in this sense, it implies that one's excitement or positive attitude has diminished or disappeared.
In summary, "let the air out" is an idiom that signifies deflation, either literally or metaphorically. Literally, it pertains to deflating objects filled with air or gas, while metaphorically, it refers to the loss of enthusiasm, energy, or optimism.
