gym rat

American  

[jim rat] / ˈdʒɪm ˌræt /

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.

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Etymology

Origin of gym rat

First recorded in 1970–75

Example Sentences

He’s the son of a former Michigan State standout and a gym rat who coach Johnny Dukes said “will be a heck of a player when it’s all said and done.”

From Los Angeles Times

“I lived at the Poly gym. I became a gym rat. The gym became my second home,” he said.

From Los Angeles Times

So even if most gym rats in America don’t care if their ankles look like baked clay, there are plenty of other markets to make this partnership worthwhile.

From Los Angeles Times

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?

From Los Angeles Times

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

From Los Angeles Times