Love the meme, but it is kind of mocking a deeply mentally ill man.

For context, he wanted to start an artists collective. Other famous painter, and close friend of Vincent, Gaugain wanted to leave pretty soon (probably not helped by Vincent being a mooch and terrible housemate), so being incredibly unbalanced, Van Gogh cut off (part of) his own ear, and presented it to a prostitute he liked. Who, not being mentally unwell, immediately called the police.