Sweet drawing

It's my first night teaching, right, and I'm substitute lecturing on the history of video art. A couple people fell asleep, one kid wandered off for about an hour or so, understandable. At the end of the night, I'm tidying up the room when I come across this gem:




As far as I can tell, dude has some interesting post-apocalyptic fantasy involving can-o-beans and a gas mask. What?