Board-related question: Where did '3. Hi Opal!' come from?

On the off-chance the entire title doesn’t show up, it’s “Board-related question: Where did ‘3. Hi Opal!’ come from?”

Sometimes on Da Board, when someone makes a list, number three on the list is “Hi Opal!” Who originated this, and (if possible) why?

Might I recommend:

  1. Learning that the SDMB search is your friend

  2. Viewing this thread: http://boards.straightdope.com/sdmb/showthread.php?threadid=51051

  3. Hi Opal!

OpalCat is a longtime reg who has a pet peeve about people here makings lists containing only two items. Thus was created “3. Hi Opal!”

Opal once said that a list isn’t a list if it only has two items. So people started making three item lists that said

  1. X
  2. Y
  3. Hi Opal.

This caught on and got used in places where the original objection didn’t apply.

  1. A
  2. B
  3. Hi Opal.
  4. C

–John

Since this question is asked and answered, and because there are several versions of the question already in ATMB, I’m going to close this thread.

Thanks for the responses, all.