Looking on the internet deeply has found these results:

That boy is no good for you is the most popular phrase on the web.

That boy is not good for you 10 results on the web	That boy is no good for you 115 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.	popular Chalnessa Eames) when she tells her, "Honey, that boy is no good for you! Jun 20, 2011 ... Giselle refuses to listen to her mother (played by the ever Oct 24, 2015 ... �That boy is no good for you. I agree with your father. You can see him at school only, and don't let us find out that you ever skip with him�... 3. More. Copy link to Tweet; Embed Tweet. Katherine Yang Retweeted. Mae @ MaeMuldez Jan 29. That boy is no good for you. You're way too good for him. This opening proclamation would be good fodder for a discussion on a typical parental warning, "That boy is no good for you. I'm telling you, that boy is no good �...

That boy is not good for you

10 results on the web

That boy is no good for you

115 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.

popular Chalnessa Eames) when she tells her, "Honey, that boy is no good for you!
Jun 20, 2011 ... Giselle refuses to listen to her mother (played by the ever
Oct 24, 2015 ... �That boy is no good for you. I agree with your father. You can see him at school only, and don't let us find out that you ever skip with him�...
3. More. Copy link to Tweet; Embed Tweet. Katherine Yang Retweeted. Mae @ MaeMuldez Jan 29. That boy is no good for you. You're way too good for him.
This opening proclamation would be good fodder for a discussion on a typical parental warning, "That boy is no good for you. I'm telling you, that boy is no good �...