1973, Raymond Firth, Symbols: Public and PrivateBut note that the 'unfuckable' is only ideologically so; physically mother or sister can be copulated with satisfactorily...
1991, Mary Melfi, Infertility RitesFuckable women can give a man an erection, unfuckable nags don't. Which are you?
2005, Chuck Klosterman, Killing Yourself to LiveWhen you are a male entering the 10th grade, there are only four kinds of people on the planet: girls you want to fuck, girls who are unfuckable,...
