YouTube Parody. A video-meme about a regular movie/tv series but edited in such a way that it makes characters say things they didn't say originally, often relating to mature humour. Spanish versions of this videos are called YTPH (Youtube POOP Hispano)
When a person declares a YouTube Poop Tennis match, they let the person they challenged watch the YouTube Poop Tennis video and then they have to continue the story from the challenger's YouTube Poop. If one person cannot continue on, the other person wins the tennis match.
Video found on 4chan showing a dismembered yoda naked on the ground doing very disturbing things such as, pooping, vomiting, and playing roblox and fortnite. Stay away from yoda ytp.
Twomad YTP are videos targeted to make Twomad laugh in rob him 1k bucks. These videos are enchanted versions of an YTP that contains all random memes you can think of, complimented with some diarrhea sounds, baba booey and Regular show's intro, etc.
Nerd 1: Hey, did you make Twomad laugh with your Twomad YTP last stream?
Nerd 2: No, I just wasted my 30$ and he didn't even smile. What a shame!