Definition of advertisingese in English:

advertisingese

noun

depreciative, informal
  • The type of language considered characteristic of advertisements, especially in using slogans, hyperbole, etc.

Origin

1920s; earliest use found in Printed Salesmanship. From advertising + -ese.

Pronunciation:

advertisingese

/ˌadvətʌɪzɪŋˈiːz/