Ballyhoo: to advertise noisily; to publicize using extreme, loud methods

The marketers ballyhooed the movie, but it flopped on opening day. 

Ballyhoo shows up in English in the early 1900s.  It was originally a circus word.  A ballyhoo was a sideshow used to lure customers into the main circus tent. 

Synonyms: advertise, hoopla, plug, promote, push, tout, laud, boost, buildup, extol

Not to ballyhoo, but if you are into words, you will love Word up!