Hence I didn't have a good comeback like yours. Now I feel like George on Seinfeld when he was told 'George the ocean called and said they're running out of shrimp'.
I agree with Osso, though, that the actual use of such a quip may be limited.
Does political correctness have to come into this?
It was an impolite thing to say, no matter the motivation -- it would also have been impolite to go medieval on his ass, but being bothered is certainly understandable.
(Welcome from me as well! Enjoying your posts thus far -- like the "Fridays in Hell" joke!