我结婚你来不来我不来你结屁婚
[wŏ jié hūn nĭ lái bù lái wŏ bù lái nĭ jié pì hūn]
This username plays on words and is meant to be a funny challenge to others, asking if they'll come to your wedding. If not, it implies that without the person’s attendance, there is no need for a wedding at all. This shows the significance of friends or lovers in one's life.