charley horse

/ˈtʃɑrli ˌhɔrs/
noun
  1. Alternative spelling of charley horse; a sudden, painful muscle cramp, usually in the leg.
    • He grabbed his thigh after a charley-horse struck during the game.
    • Drinking water helps prevent a charley-horse during exercise.
    • A charley-horse can be very painful but usually goes away quickly.
Synonyms
What does "charley horse" mean? | whatsthatwordmean | whatsthatwordmean