怪我是个逗比
[guài wŏ shì gè dòu bĭ]
It translates roughly to 'Blame me for being silly/clownish', indicating an affectionate self-accusation or self-mockery on part of the owner. The term 逗比(doubi) is colloquial Chinese meaning someone who loves joking around or acts foolishly, often in a lovable way.