A possible concise summary is:
Two brothers, Ethan and Grayson, share some of their crazy childhood stories, such as locking their mom out of the house, kissing their babysitter, bungee jumping with a cord, and drop-kicking each other in front of cars. They apologize to their parents and thank their viewers for watching.
Here are some key facts extracted from the text:
1. The text is a transcript of a video by the Dolan Twins, who are YouTube stars and identical twins.
2. The video is about their crazy childhood stories, which involve pranks, injuries, and mischief.
3. Some of the stories include locking their mom out of the house, kissing their babysitter, bungee jumping with a bungee cord, shooting their sister with a paintball gun, and drop-kicking each other in front of cars.
4. The twins apologize to their parents and their sister for their behavior and say they are still doing stupid things for entertainment.