Irritation as he is suddenly smacked in the face. It's not fair that Donnie has additional options for aggravating him now!

While Donnie gives his little monologue about the feasibility of mystic tech skateboards, he fights to get that wing out of his face. If Donnie doesn't move it soon, he'll start biting!

"Can't believe we've never experimented with that before," he notes, or will note, once he no longer has a wing to deal with.