Maybe the dingo ate your baby!
I always wondered why Elaine said that in an episode of Seinfeld. Sure it was funny and awkward, but I didn’t get the joke. Heck, I didn’t even realize that there was a joke.
Then I saw this:

Turns out there was this huge hubbub back in the 80s involving Australians, dingoes, the trial of the century, and a missing baby. I love Powerset/Wikipedia, helping babies like me understand obscure references. Sweet.