litter on a stick n. roadside billboards, signs, and advertisements. (source: Double-Tongued Dictionary)
Further reading
Some people work hard to lose their accent in order to fit in. Others may be homesick for the voices they grew up with and try to reclaim them. How can you regain your old accent? Also, a compelling book about scientific taxonomy shows how humans...
A Charlotte, North Carolina, shares her granddaughter’s adorable misunderstanding of a word. When a breeze was blowing, the little girl would say it’s winding (rhyming more or less with “wending” rather than...
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