[NJpokahplaya]

Another point I forgot to mention in my original post is what led me to call preflop instead of fold. The shortstack in the CO was a donk and was almost definitely calling off the rest of his stack on this hand. This led me to believe it was more likely the BB had a big hand than a bluff. I was pretty sure he would pay off on the flop with an overpair after putting over 10% of his stack in preflop, so my implied odds were sufficient. I do have to give him credit though, he used up almost all of his timebank and very nearly folded.