adtruck (pluralad trucks)

1. (advertising) A truck whose sole purpose is toadvertise, for example by means ofbillboards, electronic displays, or music.
   • 2004, John Dalton,Heaven Lake, page449:

     Anad truck passed down the lane blaring out a shrill announcement for a new perfume and cosmetics line that would be available Saturday in the town's department store.

• mobile billboard