The expression refers to experiencing profuse perspiration, often in response to a stressful or demanding situation. The idiom implies a high degree of anxiety, pressure, or physical exertion leading to noticeable and significant sweating. For example, an individual might describe themselves as feeling as if they are exhibiting heavy perspiration during a high-stakes presentation or a strenuous workout.
This figure of speech is beneficial in conveying the intensity of a given moment or activity. It vividly paints a picture of discomfort and pressure, allowing for a more relatable and empathetic understanding from the audience. The phrase likely originated from observations of physical reactions to fear or labor, where increased body temperature and the subsequent cooling mechanism of perspiration are readily apparent. It offers a concise and impactful way to express the feeling of being under duress, be it physical or emotional.
