I'm just guessing here, but a triviologist, or a triviographer. Those sound like possible names but i would'nt count on it.
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Polymath or someone who studies universal knowledge would be a Renaissance Man/Woman. - A.Ruble
Because there are a lot of ignorant people out there who will post ignorant questions on this useless web site
First, there is google, which helps you find information from a lot of sites. Then, there is wikipedia.org, which is an online encyclopedia and has the most information you can get. If you don't find something in wikipedia, I then would suggest to google it.
compression
They urinate a lot, and drink a lot of water, they may have some parts of their body amputated and they may have an open wound.
cramming
A factamologist- Myself and my friend have just invented the word :D
There can be a lot of useless information on Game Shows.
someone who knows a little about a lot of stuff
go to nick .com
An armchair expert is someone who knows a lot about a subject, but has little practical experience with it. For example, a fat person who knows a lot about losing weight is an armchair expert.
A music guru is someone who knows a lot about music or Musical Instruments...
It's possible that Justin Bieber knows someone named Kaila. It's hard to know how he knows. He knows a lot of people, though, so maybe he knows someone named Kaila.
A food connoisseur is someone who likes, understands and knows a lot about food.
You could ask someone who knows a lot about bungee jumping, or call a bungee jumping facility for more information. That way you could speak with a professional on the subject.
A person who has a lot to say about themselves can be called self-absorbed or narcissistic.
It's possible that Justin Bieber knows someone named Paige. It's hard to know who he knows. He does know a lot of people, though, so he probably knows someone named Paige.
A fake book is a book that gives you the general information about how to play a song. It won't be specific and detailed sheet music... more of the general information so that someone who knows a lot about music can quickly "fake" it. :) See this site for further information: http://en.wikipedia.org/wiki/Fake_book