We all know the gorgeous, dazzling, amazing, talented, awsome, cute, hottest, etc. actor Robert Pattinson.
Roberting means: thinking about Robert Pattinson or talking about him or searching Rob on the internet...
Bella: Lia, what are you doing?
Lia: Well Bells, I'm looking at Rob's pics...( sigh)
Bella: ahaaa... so you're Roberting, AGAIN !