Rogan
The cyber-phenomenon known as 2girls1cup is sort of like the web-video equivalent of 9/11. It's the most horrific, least-SFW thing ever to grace the vast tubes of the internet, it should have never been allowed to happen, and it will haunt us for years to come. Yet, like those tragic attacks of 2001, it has brought out some of the most shining examples of humanity. (If you don't know what it is, do NOT look for it, trust me!)

First came the countless funny reaction videos on Youtube. Then there's this hilarious and NSFW song by Jon LaJoie. It will make you laugh and will also tell you everything you need to know about 2g1c, so you will never have to watch it. And I cannot stress this enough: You should never, ever, ever, ever watch it. Ever.

Next, in the spirit of those aforementioned Youtube clips, comic Joe Rogan made his own reaction video. Keep in mind that this dude hosted Fear Factor for like eleventy seasons, so he's not easily disturbed. The language is NSFW.

And finally, from a somewhat unlikely source, singer John Mayer teamed with Best Week Ever's Sherrod Small for the quasi-sequel 2 Guys 1 Cup, which is surprisingly 100% SFW: