Facebookin' it.
Spying on your friends' or strangers' profiles like they have secrets and you're trying to find out what they're hiding.
'I was Facebookin' it and saw my friend's ex and now I'm mad.'
'I was Facebookin' it and found out my neighbor has 100 followers.'
'I was Facebookin' it and now I know my crush's favorite color is blue.'