INTP, 5w4 SX variant
I'd also amuse myself in my head with all the forms of revenge I could take but won't, although it would look awesome in a movie.
... however, as some others have said, I might not have even engaged him in the first place. In the past, I wouldn't have; today it could go either way. If I didn't engage, I'd just be swearing in my car about the moron who can't park within a single parking space.