So I recently worked for a theatre non-profit. My client was the VP of Communications had no sense of time management and the TACKIEST design sense. Here are a few indicative examples of working with them.

Scenario 1:

Client: I need you to create a full ad suite for these five upcoming features.

Me: Okay. When do you need these?

Client: Tomorrow.

Me: That’s not really how it works. When did the board decide on this?

Client: A couple of weeks ago.

Me: …

Client: Is that a problem?

Scenario 2:

Client: So how are those templates going?

Me: Oh, fine. I’m almost finished with this one.

Client: That’s coming along nicely! I have an idea, though - wouldn’t it be cool to add some Clipart?

Me: Um… that wouldn’t really be cohesive with the overall brand.

Client: Just add the Clipart, it’ll be great.

Scenario 3:

Client: Great! You know what would really complete this image, though? GOOGLY EYES.

Source: Clients from Hell