The 'Evil Jonkler Cart' is a meta-evolution of the 'Jonkler' meme, a term born from the intentional misspelling of the Joker within the chaotic r/BatmanArkham subreddit. This specific iteration blends the 'Jonkler' persona with 'cart' (vape cartridge) subculture, often featuring a distorted or color-inverted version of the character to signify an 'evil' or 'dark' variant. It represents the peak of modern internet brainrot humor, frequently utilizing absurdist rhetorical questions like 'Is he stupid?' to mock low-quality shitposts and deep-fried imagery. The meme is primarily used within niche irony communities to signal a deep immersion in 'aslume' culture and the surreal humor surrounding the Batman franchise's gaming community.