Wordlessly, Ossie turns his jacket inside-out, replaces it, and absolutely does not acknowledge he's done so. If two people do it, it's a fashion statement.

"It certainly was a riot. Although- er, and I'm not certain that there's a way to phrase this delicately, but... I do hope no buyers remorse about last night? I often get carried away with the flirting when I've had a bit to drink, and I hope I didn't make you uncomfortable with it."