Maybe it was a southern thing.
Maybe it was an Alabama thing.
If you lived through the 80s, there is a good chance that you had or knew someone who had a t shirt dress. I'll admit it. I had two! They were made several ways--with a t shirt on the top and a coordinating fabric sewn on the bottom or two t shirts sewn together with a coordinating fabric band joining the two pieces. I got a little nostalgic when I saw this beauty on the Goodwill rack: