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someone who intentionally throws up a vague Facebook status update, that prompts friends to ask what's going on, or is possibly a cry for help.

...don't be one.
Example:

Crystal is: "wondering if it is all worth it"

Mark is: "regretting last night"

"Have you talked to Mark? He's vaguebooking again."

"Yeah dude, did you see what Matt put? He is such a Vaguebooker!"
by .JEll. February 05, 2010
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