Whiplash Whopper is a Whopper with extra onions.
I discovered the Iron Man 2 hype by ordering a Whiplash Whopper because I wanted the bold flavor. It was extra onions. I paid an extra 80 or so cents for something I could have had free if I ordered the Whopper. Anyhow, I finished the burger in front of my gate seconds before boarding.
On a plus, the manager noticed the wave of hungry people and went down the line and took the customer's orders.