When an individual (usually someone commenting on Facebook) reads the title of an article on The Onion and believes it to be real.

North Korea is famous for falling into Onion traps.
A: This stupid article says that FIFA wants female players to spend more time jumping.
B: That article was on The Onion, you dipstick. Stop falling into Onion traps!
by horatiofanz July 18, 2015
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