oniony

onion +‎ -y

oniony (comparative onionier, superlative onioniest)

1. Resembling an onion or onions, especially in terms of smell.

From the mock news outlet The Onion.

oniony (comparative more oniony, superlative most oniony)

1. Resembling the satirical news website The Onion.
   • 2019 January 29, Dawn Graham, “Fake news or not? Using natural language processing to identify articles”, in Towards Data Science‎:

     Many of these submissions were deleted for not having “an oniony quality” (seeming more like satire than news, not just a funny title) or being from an unreliable news source.

   • 2012 September 1, Marco Werman, The World from PRX‎:

     ... it only took a little while for someone to point out this distinctly Oniony headline which appeared on the FARS website recently. "Gallup Poll: Rural Whites Prefer Ahmadinejad to Obama." Well, it turns out the headline and full article were pulled from The Onion and ran as a FARS news story.