Facebook or GTFO!
–verb (used without object)
1. Abbr. FBORGTFO.
: An internet acronym short for "get the fuck out".
A)The common practice to unintentionally or intentionally lead someone of the opposite or same sex into believing you wish to engage in intercourse- resulting in requesting their Facebook name for the mere purpose of articulating attention for future usage.
B)Basically; you don't care about having intercourse with someone of the opposite or same sex because you get enough attention to satisfy your needs. But because you like the attention the person you just met is giving you, you don't want to seem shallow by just leaving- so you ask for their Facebook name and continue to talk and flirt online. Which could than result in scheduling future dates.
C) You meet someone for the first time and after sufficient flirting, you want their Facebook name so you can leave and mingle with other people.
Note: A common defensive practice against Skanks, Sluts and Bitches Hoes.