Someone who checks facebook excessively to see if they've been sent any new notifications/messages
"Grace, can I go on facebook for a sec? I need to check my notifications"

"But you were just on your blackberry like 10 minutes ago"

"I know but the battery died so I need to check again, just in case someone answered my honesty box"

"Ugh, what a notification whore.."
by Janice Booterman April 20, 2009
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