It all depends on context. If used in "What the brown?", it is simply another way of saying "What the fu**". If used as a noun, then it means a fail.
DIY usually is referred to as "Do it yourself" on YouTube. Usually, you can find "DIY" on craft videos, cooking videos, and many other videos that teach you to do things (basically tutorial videos).
By "pooping videos", I assume you mean YouTube Poops.It's perfectly fine to watch these videos. I know many people who watch YouTube Poops and I watch them too. I even make them sometimes.
You Tube means like where you can see videos, pictures, songs, ETC...
My computer I mean
The songs and videos are subject to removal from youtube when they are found. There are so many of them that such music and videos often remain up for quite a while. In the mean time, listening to and watching those youtube videos is perfectly okay. Don't worry about it.
YouTube is basically a website (www.youtube.com) that lets you watch and post videos that are appropriate, if not will be removed. It is a widely known website for its numerous videos posted by regular people/users.
Jaymie walker is a singer. she has a lot of videos on youtube. if you go to youtube, just type in randjwalk. do NOT click the "do you mean- randy walk" thing. you should see all of her videos there.
In Youtube you mean... Than wait for it to finish buffeting and then click play.
It means that company's will pay Youtube to allow them to put their adverts on your videos and Youtube will pay you do allow them to. You also get money everytime someone clicks on the advert that is on your video.
If you mean subbed (english sub titles) then you can watch it on YOutube
it really means nothing they are just trying to get you to watch their videos.
If by downloading you mean watching them online, then yes, its legal. If by downloading you mean making your own copy, then probably not.