Adverb: To keep two separate social networking accounts - one for canoodling with polite society and another showcasing exhibitionist tendencies.
"Beth in payroll is two-facebooked!!! I saw her tagged as "Mistress Ficticia" on the Marquis de Sade fanpage!"
Speaker A: "Yeah, I have two accounts so that my coworkers don't see how much of a weekend warrior I am, hyuck hyuck!"
Speaker B: "Why, you are nothing but a lousy, no-good two-facebooked son of a gun."