Yeah, you're right - guess I remembered it wrong.

Hi, Sonia - this is my first time commenting here, but I wanted to join in and say how sorry I am that these excellent recaps are being put on hold! I've really enjoyed reading them, and the comments - I save them for Saturday afternoons on the couch. Thank you!

I thought he was referring to Colonial Day - he was pissed because he thought she was all dressed up for him (and she probably was), but then she got too wasted/afraid and ended up going home with Baltar. A nice way of alluding to something that happened off-screen.