A possible concise summary is:
The video is about Celso Portiolli, a Brazilian TV host, who tries to make giant McDonald's fries in his kitchen. He explains that he is doing this to promote the Mac happy day, a charity event that supports children and teenagers with cancer. He uses powdered mashed potatoes, eggs and cornstarch to make the fries, but he fails to fry them or grill them. He then bakes them in the oven, but they are still soft and fall apart. He puts them in a McDonald's package and pretends to eat them. He asks his viewers to like, share and subscribe to his channel and to participate in the Mac happy day.
Here are some key facts extracted from the text:
1. The text is a transcript of a video by Celso Portiolli, a Brazilian TV host and YouTuber, who tries to make giant McDonald's fries.
2. The video is made in honor of Mac Happy Day, an event that happens on August 27th, where McDonald's donates money from the Big Mac sales to institutions that help children and teenagers with cancer.
3. Celso Portiolli is a partner of Graac, one of the institutions that benefit from Mac Happy Day, and he encourages his viewers to buy a Big Mac on that day to help save lives.
4. Celso Portiolli uses eggs, powdered mashed potatoes, cornstarch and oil to make the giant fries, but he faces many difficulties and failures along the way.
5. He tries to fry, grill and bake the fries, but they either fall apart or become too soft. He ends up with three giant fries that he puts in a McDonald's packaging and tries to eat.