a.) A beautiful or hot a lady beneath her glasses.
b.) takes on a different identity when the glasses are on.
c.) unrecognizable with glasses on.
origin: Diana Prince as Wonder Woman.
Same principle as the Clark Kent Syndrome for guys as it's Diana Prince Syndrome for the ladies.
1.
Guy: Oh hello pretty lady
Girl: don't you recognize me?
Guy: is that really you? You look beautiful without your glasses on.
Girl: I can't believe I am having a Diana Prince Syndrome
2.
Beauty coach: Honey, you gotta loose the glasses to win this competition
contestant: do I really have to?
BC: Yes, you might be wonder woman beneath the glasses for all I care. You've got this Diana Prince Syndrome going on about you