a charley horse

(American informal)

a sudden, painful tightening of a muscle in your arm or leg She got a charley horse in her leg and had to stop dancing.

Name	Pronounced	Usage
Torsti	TOR-stee	Finnish
Cornelius	[kɔ:'ni:ljəs]
Cord	KAWRT	German
Biggs	[bigz]
Mohini	-	Hinduism, Indian, Hindi, Marathi
Servius	SER-wi-uws	Ancient Roman