I have to admit didn't get the "Area Man" shirt at first glance.
Just google "area man" or read the couple headings below from The Onion.
I'm sure it will make sense now if you didn't get it already.
Area Man Well-Versed In First Thirds Of Great Literature (reads only first 100 pages or so...)
Area Man Constantly Mentioning He Doesn't Own A Television
Reaganomics Finally Trickles Down To Area Man
Area Man Makes It Through Day