Greenery-yallery

Origin

From en + -green + ery + nonstandard pronunciation of en + -yellow + y.

Full definition of greenery-yallery

Adjective

1. Pertaining to the colours green and yellow as used in the style of late-nineteenth-century Aestheticism; hence, typical of Aestheticism; affected. from 19th c.
• 1881, WS Gilbert, Patience:A greenery-yallery, Grosvenor Gallery,
  Foot-in-the-grave young man.
• 1945, Evelyn Waugh, Brideshead Revisited:Nothing greenery-yallery about her. So gay, so correct, so unaffected.
• 2019, Tim Mackintosh-Smith, Arabs, Yale University Press, p. 106:The Abu Dhabi TV show Sha’ir al-Maliyun, ‘Millionaire Poet’ ... is more than some greenery-yallery eisteddfod: in a land where rulers attack their enemies with odes, poetry is still portentous and powerful.