Definition
That mysterious burst of energy after you've pushed through initial fatigue, when your body finally decides to cooperate with your workout. It's your cardiovascular system's way of apologizing for the first terrible mile.
Example Usage
The first 10 minutes were brutal, but then I caught my second wind and finished strong.
Origin
Sailing term from the 1800s, adopted into exercise physiology
Fun Fact
Scientists believe second wind occurs when your body transitions from anaerobic to aerobic metabolism, though it still feels like magic.
Source: General exercise and running terminology
Related Terms
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See “second wind” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.
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