2 senses
智障的拼音缩写，常见于豆瓣八组。
ENPinyin abbreviation for 'zhìzhàng' (mentally retarded), commonly seen in Douban's 'Bazhu' group.
“去拿了个外卖回来，回复里怎么多了这么多zz?
“政治”的拼音首字母缩写
ENPinyin abbreviation for 'zhèngzhì' (politics).
“严肃严肃！组里禁止讨论zz内容
