A possible concise summary is:
Two brothers make slime with Elmer's glue in extreme conditions, such as upside down, in an earthquake simulator, and while bungee jumping. They try to mix their slimes in mid-air and land them in a bucket, but they fail and have fun. They thank Elmer's for sponsoring the video and challenge the viewers to make their own extreme slime.
Here are the key facts extracted from the text:
1. The narrator is over 140 feet in the air.
2. Elmer's challenged them to make slime in extreme conditions.
3. They are making slime while bungee jumping.
4. They are also making slime in an earthquake simulator.
5. The narrator is nervous and their heart is beating fast.
6. They are using a special glue to make the slime.
7. The slime will be mixed mid-air during the bungee jump.
8. The goal is to get the slime into a bucket after the jump.
9. The narrator is worried that the slime might not make it into the bucket.
10. They are using a harness and a safety system for the bungee jump.
11. The narrator is going to bungee jump first, followed by Devin.
12. Devin is also making slime and will try to get it into the bucket.
13. The narrator and Devin are both using different methods to make their slime.
14. The bungee jump is from a great height, and the narrator can see the beach and their house from the top.
15. The narrator is feeling nervous and scared before the jump.
16. Devin is also feeling nervous and scared, but is trying to stay calm.
17. The narrator and Devin both jump off the platform and try to mix their slime mid-air.
18. The narrator's slime does not make it into the bucket, but Devin's slime gets a little closer.
19. The narrator and Devin decide to combine their slime and dunk it into the bucket together.
20. The video ends with a thank you to the viewers and a call to subscribe to their channel.