What it means
A copycat is the one who can't help imitating, the kid who suddenly wants the exact same lunchbox, the brand that launches a near-identical product the moment yours takes off, the sibling who repeats everything you say just to wind you up. It ranges from harmless flattery to shameless ripping-off, but there's always a hint of get-your-own-idea in it.
Usage examples
"Quit being a copycat and pick your own outfit for once."
"The cheaper brand is a total copycat, right down to the logo colours."
"He bought the same trainers the day after I did. Absolute copycat."
"Stop parroting my joke, you copycat. Go find your own sauce."
Where it comes from
It’s been around in English since the 1800s for someone who imitates or mimics another person. The exact build is copy plus cat, with cat working as a teasing tag rather than pointing to actual cats. It stuck hard in playground talk and then spread wider for anyone shamelessly copying somebody else’s style, words, or ideas.
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