I have had a combo of most of the above...
1. BMW service manager letting me know my car was coming around after going to pick it up for service, "sir, youre M3 is ready, its coming around now." Likely an easy slip, hopefully he really knew what it was. Let him slide.
2. High school kid in a prius on the highway, trying to catch up to me after I blew by earlier, just to pull up next to me and give me a thumbs up. The irony of a speeding/aggressively driving prius
3. Personal fav, guy I know owns a Ferrari California. When I parked next to him at a friends gathering, lots of attention was on the m coupe more than his flashy red - i am compensating Ferrari (although it is a sweet ride). After a few minutes, he comes over, and says, "that is a really nice car, you just got it right? My business partner had the same one. He had so many problems with it." When in fact his business partner had a porsche boxster s, which he sold to my buddy (and runs great
. Hater.