(as) happy as a sandboy (or Brit. Larry or N. Amer. a clam)
extremely happy. [prob. orig. denoting a boy hawking sand for sale.]
→ happy
(as) happy as a sandboy (or Brit. Larry or N. Amer. a clam)
extremely happy. [prob. orig. denoting a boy hawking sand for sale.]
→ happy
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004