It comes from the phrase "ate it up" (meaning to gullibly believe something) and The Onion, one of the most famous satirical 'news' outlets.
It means to believe a satirical news piece.
It comes from the phrase "ate it up" (meaning to gullibly believe something) and The Onion, one of the most famous satirical 'news' outlets.
It means to believe a satirical news piece.