I do the mental equivalent of that on the phone, then I'll ask them a question which has absolutely nothing to do with whatever drivel they were spouting. You can literally hear their brains scrambling because their train of non-thought has been derailed.
Comments
We need a hmpf smiley.
I cannot believe I stopped listening to The Youngbloods - Let's Get Together, to have my ears raped and burnt by that talentless freak.