Synonyms for charley horse
Antonyms for charley horse
EXAMPLES FROM THE WEB FOR CHARLEY HORSE
She may be muscle-bound and throw a splint sometimes, or get the Charley horse; but megrims are not for her—believe me!
1887, sporting slang, origin obscure, probably from somebody's long-forgotten lame racehorse. Charley horse seems to have been a name for a horse or a type of horse (perhaps especially a lame one) around that time.