I would not recommend visiting these sites as they will most likely give your computer herpes.
Website — Availability
youlube.com — Taken
younoob.com — Taken
yougoob.com — Taken
youboob.com — Taken
youpube.com — Taken
yourube.com — Taken
youdude.com — Taken
youtubeparodydomainname.com — Available!
Yes, they have all been taken, and unfortunately, they have all been taken by ME!
Well, I can always try for the .org domain names.
Damn, did I just type that out loud?