Summary: Cas is carsick.
Characters/pairing: pre-Sam/Cas, Dean.
Spoilers/setting: late s5? s8? future fic? I really don't know, but there definitely aren't spoilers past the first of these.
Warnings: if vomiting bothers you, I'd leave now.
Wordcount: 311
Disclaimer: neither Cas, the Winchesters, or the Impala belong to me, and I'm not making any money.

( Dean pulls the car over with a wild jerk and Cas falls out and empties his stomach all over the pavement )