我儿子他爹最帅我女儿她娘最萌
[wŏ ér zi tā diē zuì shuài wŏ nǚ ér tā niáng zuì méng]
This username is using playful expressions indicating personal pride. It states that 'My son's father (myself) is the most handsome while my daughter's mother (myself) is the cutest', highlighting both masculinity and femininity within oneself with a humorous twist.