Top definition
When you frequently stalk someone on Facebook (or other social media devices) and use their pictures for sexual entertainment
Person 1: Damn dude, did you see the bikini picture on Aubrey's Facebook page?
Person 2: Not yet, is it hot?
Person 1: Yeah man, I was Facebook Fapping to it all last night.
by Deathmuffin May 15, 2014
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