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adj.

The state of being obnoxious on Facebook
Katie: "I'm so funny... I just lit up Jared's notifications with 7000 likes and 300 comments."
Jenn: "Gosh Katie, you're so faceboxious!"

Phil: "I'm so sick of seeing Nick and Lauren's lovey dovey love posts! They really need to get an inbox!"
Bryan: "I know! It's so faceboxious!"
by jmichelangelo3 October 22, 2011
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