ANSWER
It is a French phrase, literally translated as "beautiful-ugly". It refers to a woman who is not beautiful in a conventional sense, yet is somehow attractive.
WHO GOT IT RIGHT: JP Weigt, Robert Walker, Marc Quinlivan, Bob Milligan, Trish Boggs, David Evans, Allan Christensen, Matthew Harrington, Marika Thiessen, Yanitz Grinell, and Jim Ahumada.