"May I offer you many happy returns of the day."
"I came to wish you many happy returns of the day."
Let us talk of your happy return, my boy.
We are delighted by your work and wish you many happy returns!
It will continue to do so and reap very happy returns.
And, no doubt about it, very many happy returns, sir.
There were a few examples of more questionable judgment and less happy returns.
"Many happy returns, Emily," she called out over her shoulder.
Yesterday I was twenty-five; so please wish me many happy returns - directly.
"Many happy returns of y day to us my D Love"