light o' love

/ˈlaɪt ə ˌlʌv/
noun
  1. A person who is fickle or unfaithful in love; a flirt.
    • The novel's hero was a light-o'-love, never staying with one partner for long.
    • In the old play, the character was a light-o'-love who broke many hearts.
    • She called him a light-o'-love after he canceled their date for the third time.
Antonyms
What does "light o' love" mean? | whatsthatwordmean | whatsthatwordmean