Yoko Ono Symdrome is used to describe when someone chooses to hate and vilify another person for the crime of dating a celebrity they find attractive, regardless of the massive odds of that person ever getting together with said celebrity themselves. Typically occurs to fans of teenage boybands.

The term comes from the massive hate Yoko Ono received from female fans of the Beatles following her relationship and marriage to John Lennon.
"I'm worried about my daughter, she keeps writing blog posts about how she hates anyone dating Harry Styles because she wants him for herself. I think she has Yoko Ono Syndrome."
by WatcherMark March 10, 2016
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