Wiktionary
n. The latest sensation; the last word, the newest or ultimate expression or example (of something).
Usage examples of "dernier cri".
Perhaps the best indicator of what the Russian upper classes apparently considered le dernier cri: in the foyer of every great house that the circus people visited stood a stuffed polar bear, erect on its hind legs, holding in its forepaws a silver tray for calling cards.
At any rate, when it is asserted that the plans represent the dernier cri in some form of war preparation, it is well to remember that a 'last cry' is last only until there is a later.
Sylvia is having Marcel and Jeanne Duhaux redecorate the entire mansion in Encino from basement to roof in the most devastatingly dernier cri.
He was wearing a prefaded jump suit, beautifully tailored, the dernier cri in the nostalgic 2100s, but really too youthful for his thirty-odd years.