aaq – that’s an interesting tactic, to say you are complimented and throw in a joke and a smile, and then make sure to leave a pinch in your exit. If you are insulted, say so. If not, then no need to be rude as the door closes.
useless addendum – you can see there were no assumptions (that’s been your department). I was clear that I don’t know the source and was leaving room for different options.