I haven't heard that before but if we consider that when posing for picture,one could cause an impression of being what he or she isn't in reality,posing for picture could means Pretending Well that's my interpretation
I believe that the picture that you seek is called American Gothic, by Grant Wood. Wikipedia has an article about it and a copy of the picture. You may wish to 'Google' it also,to find some other copies.
The artist who painted American Gothic is GRANT WOOD. He was from Iowa and there are many other examples of his work all around the country. The original, actual American Gothic canvas now resides in a museum in Chicago. Grant… Full Answer
American Gothic was painted by Grant Wood. Wood painted what is now known as the American Gothic House, with the couple in the painting being what he imagined the people living in the house would look like. The man and… Full Answer