I coined the word about two years ago. Since using it on the internet it has appeared in many places online and it's defined meaning is that's it's just a junk work that has no meaning.
Example uses (when you don't know what else to say):

Jane: What measurement did you use for your willy?
Neil: The size of carrots per squared ironing board.
Jane: Inglebop!

John: Hey, can you hear Jack bonking Sarah upstairs?
Matt: Inglebop!

Or, if you want to confuse a random stranger at a bus stop just start saying it repeatedly: Inglebop... Inglebop... Inglebop!
by elbbit December 5, 2010
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