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1.
noun: An intentionally vague or one-worded status update, alluding to something else. This could be an inside joke, or anything meant for only a few people. More simply, it could be a plea for someone to comment. Such as "pointless", "frustrated", or any inside joke.
Did you see Jeremy's vaguebook? All it said was 'pointless'.
by Gabrellus March 28, 2011
 
2.
To seek sympathy and/or attention by posting something vague as your Facebook status. Usually the only people who ask you "What's wrong??" are lonely stay-at-home moms who want some extra gossip. The rest of the free world does not give a shit and wish you would just suck it up and shut the fuck up.
VAGUEBOOK POST: "Some people just make me so mad!!"
READERS: "Oh, God...Samantha's Vaguebooking again. I wish she'd shut the fuck up..."

VAGUEBOOK POST: "I just LOVE being backstabbed! NOT!"
READERS: "Jennie, seriously...shut the fuck up and grow some balls."
by FreeHigh5s February 10, 2014