litter on a stick n. roadside billboards, signs, and advertisements. (source: Double-Tongued Dictionary)
Further reading
Colette Hiller’s Colossal Words for Kids: 75 Tremendous Words: Neatly Defined to Stick in the Mind (Bookshop|Amazon) uses clever rhymes to help children learn big, fun-to-say words like magnanimous, discombobulated, and acquiesce. This...
So you’ve long dreamed of writing fiction, but don’t know where to begin? There are lots of ways to get started — creative writing classes, local writing groups, and books with prompts to get you going. The key is to get started, and...
Smaller signs are referred to here (http://www.causs.org/) as street spam, vertical litter, bandit signs, snipe signs, utility pole advertising, stuff on a stick