1 definition by weijajo

happy as a clam

To be exceedingly happy and content.
The full phrase is "happy as a clam at high tide." Clams can only be dug up at low tides, so at high tide a clam is safer and secure, so therefore, happy.

Everything in my life seems to be going great; I'm happy as a clam.

by weijajo April 7, 2009