What da fuck r u talking about / 私は中国語を話す
A Jackie Chan meme.
Jackie Chan is the martial arts actor holding his hands to his head in disbelief. The picture, known as "My Brain Is Full Of F...", stands for total bewilderment. Captions describe things that make no sense - a confusing plot, a math problem, a relative's logic. It's the meme for being baffled.