Definition of (as) happy as a sandboy (or as Larry) in English:

(as) happy as a sandboy (or as Larry)

phrase

British
  • Extremely happy.

    contented, content, cheerful, cheery, merry, joyful, jovial, jolly, joking, jocular, gleeful, carefree, untroubled, delighted, smiling, beaming, grinning, glowing, satisfied, gratified, buoyant, radiant, sunny, blithe, joyous, beatific, blessed
    View synonyms