The rest are about our authors & the press.
Then, there's stuff like these:
An entry called "Bloofer Lady" at the Valve, discusses the use of the term in literary history. "Bloofer" appears in Bram Stoker's Dracula and can be traced to a similar usage in Charles Dickens's Our Mutual Friend.
This one is more contemporary. And, how do you say, bad ass?
Two high-school basketball players known as Big Nasty and Greatness go by the collective name of "the Bloof Brothers" and discuss their own usage of the word/sound effect in this article about their skillz: “What is bloof?” Howell asked rhetorically. “It’s like, if someone falls down really hard, we all look at each other and say, ‘That’s bloof.’ Or if we’re sitting in class and something happens that we like – bloof.”