倾国倾城倾沵妹
[qīng guó qīng chéng qīng mĭ mèi]
Literally it means 'the beauty who can topple a country, a city, and a younger sister.' Based on the idiom '倾国倾城'(extremely beautiful that she would bring a nation or city to its knees) ,this nickname adds humor while praising the charm.