To see if the kirb (or parking stopper) is still there while you are driving in a parking lot or are parking (must have friends or Family with you) with your car/truck using your tires.
You must call it right before or after it happens !Kirb Check!
It's Classic driving.
You are driving a little to fast right before you hit the kirb or parking stopper !KIRB CHECK! Yep it's still there :)