gym rat

[jim rat]

noun

Slang.

1. an exercise and fitness enthusiast who spends a lot of time at the gym, working out frequently or for long periods of time.

   Whether you're a gym rat or a total newbie, these sets are worth exploring.

Word History and Origins

Origin of gym rat¹

First recorded in 1970–75

Example Sentences

A hardscrabble gym rat who could develop a new culture, instill a timeless work ethic, and shape a complete team that would thrive around Anthony Davis and excel long after LeBron James?

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I’m sure there are plenty of gym rats out there who know the feeling.

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He is the gym rat who will be in the gym at 6 a.m. shooting with players until late at night.

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Now, in Britain, a group of bodybuilders, personal trainers and sundry gym rats have stepped unto the breach.

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One of the gym rats hits on Jackie after the gym closes, but when he grabs at her, she punches him, hard.

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