Used to "connect" with friends from various schools or to gather information on that cute guy in your Psych 101 class.
The modern uni equivalent of "What's your number?"
dude 2: i dont know her screen name or phone number
dude 1: just facebook her
or if she extremely hot, hot enough you could have her facebook you...
damn that chick is so hot i would let her facebook me ....
to hot female: Damn your fine you can facebook me anytime