Give your creative juices a blend. Name someone's company.

Seller 'itscbiz' has a top rated gig named "I will give you 5 suggestions for a company name or domain name for $5"

So you think you have a lot of cool ideas for company names? People are you there willing to pay you cash for your creativity. Operating a gig like this will allow you to stretch your creative capability and earn some cash in your spare time while doing so.