What does the phrase 'I'm rooting for you' mean? - Quora
https://www.quora.com/What-does-the-phrase-Im-rooting-for-you-mean
"I'm rooting for you" usually means "I am a fan," (fans are sometimes called "rooters." or " I support you," "I hope you win," or "I am cheering for you." Closely related is "I am on your team." On the other hand, various animals "root," usually when they are looking for food. Also some mean to say, "I am looking for you," or "I CQ."
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