happy as a lark

(as) happy as a lark

Very happy; contented. I've been happy as a lark ever since we moved to the countryside. Johnny's in a bit of a bad mood, but just give him a new toy to play with and he'll be as happy as a lark.
See also: happy, lark
Farlex Dictionary of Idioms.

happy as a lark

If you are happy as a lark, you are very happy. Look at me — eighty-two years old and happy as a lark!
See also: happy, lark
Collins COBUILD Idioms Dictionary, 3rd ed.
See also:
  • (as) happy as a lark
  • (as) happy as the day is long
  • happy as the day is long
  • clover
  • (as) happy as a pig in clover
  • the happy day
  • many happy returns of the day
  • the disease to please
  • disease to please
  • happy days