An evacuation slide is an inflatable slide used to evacuate an aircraft quickly. An escape slide is required on all commercial (passenger carrying) aircraft where the door sill height is such that, in the event of an evacuation, passengers would be unable to step down from the door uninjured.
Drugs can indeed make you think unusual after post-dental surgery. There are many videos online where you can hear unusual talking after post-dental surgery that are amusing to watch, like this young lady who totally freaked out on her way home from a visit to the dentist.
If you want to perform an unique back flip, you will need the help of hand that will support the weight of the body and you will get help for flipping. but this man has shown his super power to perform back-flips.