When you click on an embedded YouTube video and it says: "Sorry this video is no longer available". Compare with blueballed.
His site is nice, but with the amount of controversial content he's fond of posting, I'm notsurprised anymore when I go to click on some racy new video and end up getting bluetubed.
When a male loses his virginity. It is the male equivalent of "having your cherry popped." The term "blueberries" is used to refer to testicles, being "blue" from never previously having sex.
Example 1: "When are you finally going to pop your blueberries, bro?"