He completely froze up. He would have looked catatonic for 40 minutes, and then asked what his name was--judging from his own words on LKL.
Yes that is right. His tongue probably hung out to the side, like Homer Simpson's when he goes into a trance. And all he could get out would be "Duuuuuuuhh". Oh excuse me, I'm sorry - I didn't mean to put Homer down.