A spoof, but I think truer than a lot of things you're going to see in real life!
Some rather "adult language" (an ironic term if ever there was one) in the comments, as is sadly usually the case on youtube.
Update: The user removed this video - thanks to Gumbosea at Galaxy Zoo for the tip-off! - but fortunately there are many more versions. I wonder why the user did that? Here's another one.