Proper noun
(UK, sports, slang) A 2004 controversy around the alleged throwing of food (variously reported as pizza, soup, or coffee) at Manchester United manager Alex Ferguson by an unknown Arsenal player after a match between those two teams.
(slang) A 2016 conspiracy theory claiming that John Podesta, Hillary Clinton's campaign manager, was involved in human trafficking, and alleging the existence of a secret child sex ring associated with the Comet Ping Pong restaurant in Washington, D.C.
Source: en.wiktionary.orgAs all of this spread, pro-Trump supporters went back to the Podesta emails published by WikiLeaks to find more “clues” for Pizzagate and other conspiracy theories. Source: Internet
In 2016, Jones and Infowars participated in the Pizzagate conspiracy, which accused the Clintons and John Podesta of being affiliated with a child sex ring in a DC pizza parlor. Source: Internet
Disinformation is not just something you see on some small fringe websites about Hillary Clinton being a lizard person, or Pizzagate. Source: Internet
He apologized for his role in spreading the Pizzagate story. Source: Internet
“It’s just a little alarming that you would come in here and talk about Pizzagate.” Source: Internet
The ideas themselves are not necessary alarming; it’s when believers decide to take action, like in the case of the Pizzagate shooting referenced above. Source: Internet