push one's luck

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push one's luck (third-person singular simple present pushes one's luck, present participle pushing one's luck, simple past and past participle pushed one's luck)

1. (idiomatic) To take an excessive risk or to attempt some task unlikely to succeed, especially after having already been unexpectedly lucky.
   • 1967 December 29, “Quick Cure for a Killer”, in Time:

     The jury had little choice but to free the killer. Sane enough at least not to push his luck, Sledge immediately left the state.

• lucky streak
• push it
• when you're hot, you're hot