For new people: yes, I really do make pictures where one of the prompts is nonsense. Try it yourself! Have fun! You'll probably want to use at least one other positive prompt for style, but you can use gibberish in all the Stable Diffusion and SDXL models as well as Flux and Google Imagen...
a watercolor painting, glowing with a wide palette of colours, oil paints textured on rough_paper, intriguing_composition, beautiful_contrast, subtleties just beneath the surface, paint-on-glass painting, amazing splashscreen artwork, sublime, intricately_detailed, intricate motifs, complex harmonies, ...