Definder - what does the word mean?

What is Dr. Cliff Arnall?

A researcher paid to calculate the most depressing day of the year, Blue Monday, and the happiest day of the year based on several different factors.

"I wonder what date Dr. Cliff Arnall will calculate next, we still don't have the dates for 2008."

👍51 👎17


Dr. Cliff Arnall - video