imbues the usually the diligent, bookish senior girl from high-school who helps to bottom line the high school yearbook. She is not usually 'the prettiest' or 'the smartest girl' in school, but, she's a keener, who annoys people with her incessant need for planning and organizing. Most often used as an affront to someone who is trying to organize something that does need organizing.
"We can plan later. Don't be such a yearbook princess."