| Main Entry: | happy as a clam |
| Part of Speech: | adj |
| Definition: | extremely happy |
| Example: | Happy as a clam refers to its being dug from its bed of sand only at low tide; at high tide it is quite safe from molestation. |
| Etymology: | 1830+; orig. happy-as-a-clam-at-full-tide |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a gadget; dingus; thingumbob. |
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