我儿子的妈很漂亮你也不看看他爸谁
[wŏ ér zi de mā hĕn piāo liàng nĭ yĕ bù kàn kàn tā bà shéi]
This username suggests admiration or bragging about the attractiveness of the user's partner (the mother of his child) and also implies a challenge to notice who the father is. It could imply some humor or boastfulness.