Dean was sure he was still flushed, and maybe he'd have been a little turned on too if he wasn't so worried about the fact that Seamus was likely going to not talk to him again for weeks after this. When Seamus started laughing, though, he let himself relax, walking a few storefronts down before he let himself lean up against the side of the building and laugh too.
"I - yeah, I didn't.... performance artists, mate, they're all shock and no substance..." Like somehow giving him a arty excuse could help.