chase rainbows

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chase rainbows

To constantly pursue things that are unrealistic or unlikely to happen. You can't chase rainbows your whole life—you need to pick a stable career and start being an adult.
See also: chase, rainbow

chase rainbows

to waste your time trying to get or achieve something impossible (usually in continuous tenses) I don't think my parents ever believed I'd make it as an actor. I think they thought I was just chasing rainbows.
See also: chase, rainbow