In the article Make Humor Work for You, Not Against You it gives some suggestions about how to use humor correctly.

The ten ways to make humor work for you are:
1. Keep workplace humor appropriate and consistent. When in doubt, don't use it.
2. Hone your humor voice. Genuine humor comes from your authentic self.
3. Never apologize before telling a joke or a story.
4. Avoid overusing self-deprecating humor.
5. Tell great stories when speaking in public.
6. Want a cheap faceliftt? Smile.
7. Ka-ching! Funny makes money. What one culture finds funny, another may not. A good understanding of these differences will allow you to adapt your communication style as needed. In general, stick to universally identifiable topics.
9. See humor as play; don't be too structured.
10. Incorporate easy, low-risk humor into daily communications.

If you use some of these tips it might improve your communication skills and make others view you as funny. This relates to class because how you communicate affects the way people see you to be.