Top definition
A person who is present at an event without participating in it - like bystanders - but on facebook.
Person 1: "Do you really think i'm the sort of person to be sympathetic to whining angsty teenagers?"

Person 2: "Nah. We're some of the lucky/awesome few, I say *glares at byfacebookers*"
by softpearsftw September 05, 2009
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