怪我太年请是人是狗没看清
[guài wŏ tài nián qĭng shì rén shì gŏu méi kàn qīng]
This awkwardly spelled nickname seems to be mocking, possibly saying 'Blame me because I am too young and didn't see clearly whether it was a human or a dog', suggesting naivety leading to misjudgments or regret.