Top Definition
n., pl. -shareholics.

Individual addicted to posting online everything they see, experience or think.

One who compulsively posts their whole life online ala Facebook www.Facebook.com, Twitter www.Twitter.com, Digg www.digg.com, etc.
She was such a shareaholic she found herself thinking in Facebook status updates, and felt a deep sense of well-being when she discovered Shareaholic www.shareaholic.com
by Ultravioleta May 16, 2009

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