Not the stadium wave (good riddance, no offense). I mean that friendly little gesture the other motorist gives you after you courteously pull over on a narrow Wallingford street to make room for him or her to go by in the other direction.
This used to be absolutely compulsory under the super-strict–Seattle-civility code. It didn’t matter if it was in the middle of the night, if the other driver only had one arm, was in the middle of a raging argument, or if you were actually pulling over to park. They always gave you that friendly wave. And although small, …