From the noun fanboy
v. To
stand, drool, or worship the object of their
obsession. Fanboying involves no real physical action or movement.
One does not have to be a boy to start fanboying.
Also see fangirl
He was fanboying in
front of that
artist. It took the three of us to drag him away from there.
Whenever I fanboy it's like I go into a
trance and I block off everything around me.