Automotive horror
As a senior citizen was driving down the freeway, his car phone rang. Answering, he heard his wife's voice urgently warning him, "Herman, I just heard on the news that there's a car going the wrong way on 280. Please be careful!"

"Heck," said Herman, "It's not just one car. It's hundreds of them!"

500 lawyers in the ocean
What do you call 500 lawyers at the bottom of the ocean?
A good start.