The phrase "huge billboards" refers to very large signs or advertisements displayed in prominent locations, typically alongside roads or buildings. Full definition
The first time you use Windows 8.1, moreover, huge billboards with arrows pointing to the corners of the screen help you understand the four secret places to click. (heavy.com)
Despite coming from a country where bullfighting and fur wearing are the norm, she agreed to feature in PETA's 2012 anti-fur campaign, appearing on huge billboards in New York City just in time for fashion week there. (eluxemagazine.com)
According to Mr. Ephson, his opinion poll done over a stretch of five months indicates I'll be defeated based on the fact that «elections are not won by huge billboards so Obuobia may have to wait till 2020. (ghanapoliticsonline.com)