包二奶 Traditional form: 包二奶 Pinyin (reading): bāo'èrnǎi Definitions: to cohabit with and financially support a mistress Characters: 包 - wrap, pack, bundle; package 二 - two; twice 奶 - milk; breasts; nurse, grandmother Traditional characters: 包 - wrap, pack, bundle; package 二 - two; twice 奶 - milk; breasts; nurse, grandmother