flarf n. a style of poetry in which poems are formed by a collage of quasi-random, serendipitously found words and phrases; poems or a poem in the style. Editorial Note: The word history given in the site linked by the first citation is believed to be more or less correct. (source: Double-Tongued Dictionary)
Further reading
Images of birds flutter inside lots of English words and phrases, from “nest egg” and “pecking order,” to proverbs from around the world—including a lovely Spanish saying about how birds sense light just before dawn. Plus...
In White Oleander (Bookshop|Amazon), novelist Janet Fitch touts the value of memorizing poetry with these memorable lines: Always learn poems by heart. They have to become the marrow in your bones. Like fluoride in the water, they’ll make your soul...