pile out (of something)
To exit or disembark from something in a rough, disorderly fashion. Jake and his friends piled out of the van to go to soccer practice. We need to count heads as you leave the bus, so don't everyone pile out all at once!
pile out (of something)
[for many people] to get out of something roughly. Okay, kids, pile out! The car door burst open, and the children piled out.
pile out
v. To exit something or some place in a disorderly mass or group: When we reached the store, the kids piled out of the van. I opened the door and the crowd piled out.