血拼族 xuè pīn zú
mall rats; the young who loiter about shopping malls

夜店族yè diàn zú
people who enjoy pub crawls, that is, drinking at a number of pubs in a single night

富二代fù èr dài
the second-generation rich or silver-spoon generation; the children of upstart millionaires and entrepreneurs

贫二代pín èr dài
the second-generation poor; the children of poverty-stricken families

hot words
潜规则qián guī zé 
tacit rule, under-the-table practice

民工荒mín gōng huāng
labor shortage