Verb- To be physically present with your friends, but mentally vacant because you are being virtually entertained on your Iphone by a girl. See also cupcaking.
Even though we were all at the driving range, JD was unresponsive to our "that's what she said" jokes because he was busy Icaking with a new girl on his facebook Iphone app.
by MikeyJ916 July 10, 2009
Get the Icakingmug.