Looking on the internet deeply has found these results:

Happy weekend is the most popular phrase on the web.

good weekend. 15,170,000 results on the web	Happy weekend 11,780,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	You all have a happy weekend and wish me one. The "Happy Weekend" offer includes: Stay in a comfortable double room Breakfast with room service to start the day in absolute relaxation and intimacy Parking tickets incl... (detail) I just think they deserve one more happy weekend before we tear this family apart. That completes our Agenda, and I wish you a happy weekend. Hello everyone and happy weekend! Let me know Happy weekend... On a sample image provided by the school, a tweet from a sender saying he had a great time the night before showed up in green, as did a text wishing the recipient a happy weekend. Hello everyone and happy weekend!

good weekend.

15,170,000 results on the web

Happy weekend

11,780,000,000 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

You all have a happy weekend and wish me one.
The "Happy Weekend" offer includes: Stay in a comfortable double room Breakfast with room service to start the day in absolute relaxation and intimacy Parking tickets incl... (detail)
I just think they deserve one more happy weekend before we tear this family apart.
That completes our Agenda, and I wish you a happy weekend.
Hello everyone and happy weekend!
Let me know Happy weekend...
On a sample image provided by the school, a tweet from a sender saying he had a great time the night before showed up in green, as did a text wishing the recipient a happy weekend.
Hello everyone and happy weekend!