decretism.com: We use machine learning to identify cretins in your organizational structure and provide the Human Resources expertise to remove them.

slopier.com: We optimize the last leg of the maritime supply chain, turn your slow pier into a fast pier!

calinum.com: enterprise accounting system - based in California.

decretism.com

Crowdsourced block list of all twitter cretins.

So you want to block all of twitter then. That sounds reasonable.

Love it.

Make it competitive. One player gets to pick between three possible domains.

The other players each come up with a business.

Rotate as appropriate.

slopier.com: Are you a hardcore skiing enthusiast? We'll find the steepest slopes in your area.

Edit: I don't know anything about skiing, so I don't know if steeper slopes are actually more fun. It's just what the word "slopier" brought to mind for me.