1. malaise due to dancing pollen
E.g. I thought I was tired "for no reason" but then realized it must be pollenaise from the onset of allergy season.
Word and first definition contributed by Julie and Gerald Jay Sussman, April 9, 2019, Arlington, MA
2. the yellow sauce created when rain washes pollen from surfaces such as roads or cars
Second definition contributed by Freedom Baird, April 12, 2019, Cambridge, MA
E.g. There sure is a lot of pollenaise running through the streets this morning.