PewDiePie (Felix) is watching an old instructional video about how to be "cool" and perform various tricks and pranks, such as beatboxing, making a "straw worm" with a straw and a wrapper, and doing a fake "door face slam." Felix provides humorous commentary throughout, often laughing and expressing amazement at the cringeworthy and outdated content.
Here are the key facts from the text:
1. The text appears to be a transcript of a video featuring Felix Kjellberg, also known as PewDiePie.
2. The video includes various instructional segments on how to perform different skills and tricks.
3. One segment teaches how to make an "upside-down face" look like it's singing by covering the lower teeth with the lower lip and exposing the upper teeth with the upper lip.
4. Another segment teaches how to beatbox by making a "bUH" sound and a hard "kay" sound with the back of the mouth.
5. A segment shows how to create a "string worm" by crinkling a paper wrapper and adding a drop of water or other beverage.
6. A segment demonstrates how to make it look like you're walking down stairs when you're actually standing behind a hedge.
7. A segment shows how to fake walking into a door by kicking it with your foot and making a loud groaning noise.
8. A segment teaches how to pretend to have a dog pulling on your pant leg by positioning yourself behind a door and making growling noises.
9. A segment features a man who carries a bicycle horn with him and uses it to make unexpected noises.
10. A segment introduces Alfonso the Finger, a contortionist who performs the "amazing finger tangle" by switching his two index fingers.