"STAY OFF THE GRASS" means that there's a convenient shortcut through the grass.

When the traffic light turns yellow it meeds means "speed up."

"Men at Work" tells you to look out for the men who AREN'T working, but messing around too close to traffic. (The real work is consistently a safe distance from traffic).

A "No Passing Zone" means curvy roads and/or hills are liable to make traffic slow, making passing especially advantageous.

"Self-service only" means you'll find a bored-looking employee that can answer all your questions and concerns with the machine, and even help you check out.

The "Start" button on a windows PC is where to look if you want to shut it down.

The list goes on. Thoughts?