I think it’s something you might find in the leaves that isn’t particularly colorful but has a strong odor. It doesn’t go crunch if you step on it, but it will linger with you the rest of the day. So although it assaults multiple senses it isn’t synesthesia
I think he’s trying to make the point that it gets far enough South, about West Palm Beach, we don’t really have many deciduous trees. so there is no crispy fall sound
And when was the last time you saw such a cinematic treatment in a comic strip as we got in “Purse and Trash?” This is what makes Foxo’s work not just gifted but brilliant.
That has certainly been my experience