pull a heart muscle v. phr. to withdraw, back out, or retreat from a competition, conflict, or obligation; to chicken out. Editorial Note: To pull a heart muscle is similar to having tiny heart syndrome. (source: Double-Tongued Dictionary)
Further reading
What’s the origin of the phrase a country mile? Vida from Rochester, New York, says her husband often uses it, as in “go about a country mile and then make a left.” The expression goes back at least 300 years in the United Kingdom and has long meant...
Is it just desserts or just deserts? Gina from Harvest, Alabama, says that when using this phrase, she’d always pictured dessert, as in “the treat someone deserves,” but the correct term is indeed just deserts. This particular desert isn’t an arid...