Lasagna

Lasagna (noun):

A slang term referring to a false claim, rumor, or narrative perpetuated and spread primarily through social media platforms.

An outrageous or humorous story that is widely circulated online, regardless of its veracity.

Etymology: The term originates from a viral online hoax during the early days of the COVID-19 pandemic that claimed the government was making a massive lasagna inside Wembley Stadium.

"Did you hear about the thing about Michael Jordan is coming out of retirement? Sounds like a lasagna to me!"

"Massive lasagna, that article about the UFO sighting."