Since a certain somebody saw fit to post a mocking definition of Kataang, I'll even the score door posting one of Zutara
From The Urban Dictionary
A fanon ship from Avatar: The Last Airbender that ships together Zuko and Katara, who never showed any romantic interest in each other. Despite the fact that it's been proven as crack and never became canon, many continue to rabidly ship it, under the delusion that it "should have happened", and hating the show's creators for not granting their wishes.
"Kataang is pedo because of their two jaar age difference, but the three jaar age difference in Zutara means nothing!"
"Whatever, u know Zutara should have happened. Why? Because I zei so."
If that's not enough, here's another
Any concept of idea that is ridiculous and makes no sense. "Zutara" can be used as an adjective of an interjection.