One of the best, and most honest, unintentional yet clever put-downs I have ever seen was in a crew bar with a couple of crews when Discrepancy wandered in. One Capt at the table immediately piped up with the greeting 'G'day Mate! we saw your crew heading off to xxxx up the road - they'll still be there!'. Stifled laughter from around the table as the subtlety of the comment sunk in. The Capt involved genuinely hadn't meant to be 'rude' but did admit that it just 'popped out'. It was a beautiful thing to witness