Speak Like a Trucker: Can You Pass the Slang Quiz?
What does "Eastbound hammer down" refer to?

Correct Incorrect "Eastbound hammer down' means accelerating fully, pushing the gas to pick up speed. When there are no cops around and you're behind schedule, it's tempting to speed up. But a good trucker knows when to ease off. The 'hammer lane' refers to the left lane, which is for faster traffic.