1. Create tags around your target keyword
2. Create a channel using your target keyword. This will enable you to have your keyword in the URL.
3. Video should be short and to the point.
4. Video should be funny, entertaining or educational. Tutorial, how-to, boopers, etc
5. Make a playlist with other funny/entertaining videos.
7. YouTube Bulletins.
8. Leave comments with URL on popular videos.

Enjoy.