When a bunch of horny teenage boys all post on a 'hot' or 'slutty' girls Facebook picture with comments that are sexual in nature.
Tim: "OMG Julian, did you see Brittney's new profile picture on Facebook?"

Julian: "Hell yeah dude, within minutes of uploading that shit turned into a facebookkake."
by ayyitsjayy March 23, 2013
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1. the inevitable result of excessive facebook 'poking'

2. an overabundance of comments attatched to any single

facebook post
Sara found that after she posted a pic of herself in a bikini on facebook, the comments covered her timeline like so much facebookkake.
by nitemareseraph June 30, 2012
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