charley horse

(c̸här′lē)

☆

Informal a cramp or soreness in a muscle, specif. of the thigh, caused by strain

Origin: ballplayers' slang, c. 1888; prob. with reference to a lame racehorse

See charley horse in American Heritage Dictionary 4

noun
Informal

A cramp or stiffness in a muscle, especially of the upper leg, caused by injury or excessive exertion.

Origin:

Origin: Originally baseball slang, of unknown origin

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