A pair of sisters who are always stabbing eachother in the back, derived from the movie "The Other Boleyn Girl" which depicts two sisters of this nature.
Katie: "Geez, Courtney and Cassidy are always bitchin' at eacother.
Ardena: "Yeah, those sisters are bona-fide Boleyn Girls!"
Ardena: "Yeah, those sisters are bona-fide Boleyn Girls!"
by Ardena February 23, 2008