瞧我这记性又忘了你是条狗
[qiáo wŏ zhè jì xìng yòu wàng le nĭ shì tiáo gŏu]
This username translates to 'Look at me, I forgot you're a dog again.' It implies sarcasm and humor. The speaker uses self-deprecation (poor memory) combined with insulting someone else (calling them a dog), reflecting an attitude of casual rudeness.