Joe Bartholdi and Yuval Bronshtein had seen a flop of when Bartholdi bet 4,200 and was called by Bronshtein. The two checked around on the turn and Bartholdi checked the on the turn. Bronshtein didn't realize that Bartholdi had already checked and appeared to go into the tank for quite a long time. Eventually Bronshtein caught on and checked.
At this point, Bartholdi said "I thought I was about to get bluffed so hard," to which Bronshtein replied, "I thought you were tanking."