A popular phrase among the American youth and valley girls, it can be really annoying to the listener, especially if he or she doesn't completely understand what you're talking about.

Most of them were, as Ranadivé says, “little blond girls” from Menlo Park and Redwood City, the heart of Silicon Valley.

Women need the equivalent of "the old-boys network, " and in her view "Sheryl is putting together a new-girls network inside Silicon Valley.