Stu brought up both hands to puppet ever-flapping mouths back at Donnie, his own mouth drawn in mockery, up until the aliens were crowding around him and he had to shrink back in surprise at that coordination. That did bring them in close for a nudge to get their attention, so Stu could jerk his chin toward the gun on the ground for one of them to help their good buddy out with.

"Don't let him convince you that you're not even smart enough to understand when he's calling you stupid. He's got everybody else convinced, he's got people popping out of the woodwork to repeat whatever he tells them, he's so confident that he thought he could tell me that there's no way I could have been stabbed when I was stabbed, and then later he's got a whole story about how I'm stabbing people. Who knows what he believes? Which one is it, little dude? Does it even matter?"