This is different from a facepalm, where one would hit their own face with their own hand in frustration.
Guy 2: "Shut up, you never even take notes or anything..."
Guy 1: "Yeah but at least I'm there every day to listen."
Guy 2: "Stop bitching, you play fricking computer games all class. Just stfu!"
Guy 1 gets *PUG FACED* by Guy 2