a thousand and one (something)

a thousand and one (something)

A huge or burdensome amount of something. Often followed by "to (do something)." I can't drive you to the mall, I already have a thousand and one things to get done today. I've got about a thousand and one clients to meet with today, so if you need anything from me, you'd better make it snappy!
See also: and, one, thousand
Farlex Dictionary of Idioms.

a hundred/thousand/million and one things/things to do, etc.

(informal) very many or too many (things to do, people to see, etc.): I’m so busy — I’ve got lectures to prepare and a hundred and one letters to write — I just don’t know where to start. She’s always got a thousand and one excuses for everything.
See also: and, hundred, million, one, thing, thousand
Farlex Partner Idioms Dictionary
See also:
  • a million and one (something)
  • a hundred and one (something)
  • a hundred/thousand/million and one things/things to do, etc.
  • be a drag on (one)
  • crawling with (something)
  • a (unit of time) or two
  • a day, moment, etc. or two
  • unit
  • more the merrier
  • more the merrier, the