ballyhoo

Short definition from Wiktionary

Noun

1. 1
   Sensational or clamorous advertising or publicity.
2. 2
   Noisy shouting or uproar.
3. 3
   Certain species in family Hemiramphidae, inshore, surface-dwelling needlefish forming sizeable schools.
4. 4
   Certain species in family Hemiramphidae, inshore, surface-dwelling needlefish forming sizeable schools: Hemiramphus brasiliensis
5. 5
   An unseaworthy or slovenly ship.

Verb

1. 1
   To sensationalize or make grand claims.