I spy with my little eye something that begins with "D"

Hey, it's big boss Doug! And Foo isn't afraid to ask the tough question: "Are we there yet?"

Bon mot: sinuous

sinuous
\SIN-yoo-uhs\, adjective:
Characterized by many curves or turns; winding.

Foo prepared to white-knuckle her way up and down the sinuous roads of the Pacific Northwest.