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
Octavius	ahk-TAYV-ee-əs (English)	Ancient Roman
Noreen	['nɔ:ri:n]
Tam	[tæm]
Pluto	PLOO-to (English)	Greek Mythology (Latinized), Roman Mythology
Humayra	-	Arabic
Victor	['viktə]