Since there's a lot of agreement I'll post results and another question.

I bet a cool $1000 and he timebanked. Took up a good portion of it, like 20 seconds, so I don't think he was hollywooding. During that time he typed:

xxx: 78 spades?
xxx: do u show?
xxx: if i fold

I didn't respond. After the hand he said he folded AA. Anyone respond to chat like this in these situations?