姘头 pīntou lover Origin Definitions Defs Strokes Stroke Words Sentences Sents 姘 pīn extramarital partner (bound form) A partner in an illicit relationship or extramarital affair, such as in 姘夫 pīnfū or 姘妇 pīnfù头 頭 tou affix [noun suffix] suffix attached to verbs or adjectives to form nouns, often indicating a specific quality or worthiness