What does "big time" mean?
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An enjoyable or exciting time, as in The children came home exhausted but happy; they really had a big time at the circus. [Mid-1800s]
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The highest or most important level in any enterprise, as in
I knew that when I made it through the last audition, I was finally in the big time. [Colloquial; c. 1900] Also see
big league.
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