рад-радёшенек(This is the complete expression, although it is seldom used. The "at high tide" part was so often omitted that eventually it was forgotten. Now most people don't know how the saying ends or why a clam would be happy. Бэки)
рад без памяти(This is the complete expression, although it is seldom used. The "at high tide" part was so often omitted that eventually it was forgotten. Now most people don't know how the saying ends or why a clam would be happy. Бэки)
