绝世小攻绝世小受
[jué shì xiăo gōng jué shì xiăo shòu]
In BL (Boys' Love) literature, film, or fanfiction contexts, 小攻 (xiaogong) typically refers to the domineering character while 小受 (xiaoshou) is more submissive. Both prefixed with 绝世, it signifies they are unmatched or perfect matches for each other, expressing an admiration for their compatibility.