Every weekday morning when I wake up, I check Slack to see what my editors need me to write up, and today there was a little treat waiting for me. I didn't attend the Sundance Film Festival this year, so the bizarre little indie movie Greener Grass wasn't really on my radar, but when Frosty dropped the trailer in Slack with a note reading "I promise you have never seen a film like it," he had my attention. Sure enough, this looks all kinds of weird, so count me in. Written and directed by Jocelyn DeBoer and Dawn …