NAKEY FORESAKEY
A streak of not getting caught doing something stupid.
My naKEY foresaKEY lasted until I sneezed during the meeting.
He had a naKEY foresaKEY for a month, then got caught with a dead mouse in his lunch.
She had a naKEY foresaKEY through the whole school year, until she got caught cheating on the final.