I have a small confession,
I love a colloquial expression,
They sum up exactly what you want to say,
A kind of shorthand communique,
Collecting them’s an obsession!

* .. our friend, Cory Cook, an American, taught us this expression. It is Shorthand for “Happy as a clam at high tide!” Meaning to be as happy as it’s possible to be because a clam at high tide can escape from predators more easily!