Definition of greenery-yallery in English:

greenery-yallery

adjective

informal
  • 1Green and yellow:

    ‘the greenery-yallery dogwood’
    • ‘The pale, faintly mauve, pink satin ground contrasts with the ‘greenery-yallery’ lilies.’
    1. 1.1 Of or in the style of the 19th-century Aesthetic Movement (used to convey the idea of affectation):
      ‘a greenery-yallery fin-de-siècle lyricism’
      • ‘As these letters amply show, to think of Wilde as a greenery-yallery, light weight, green-carnationist teller of fairy-tales, and tell-taler of Society comedies, is to be naive.’

Origin

Late 19th century: from green + yaller (variant of yellow), with reduplication of the suffix -y.

Pronunciation:

greenery-yallery

/ˌɡriːnərɪˈjaləri/