Malfoy grumbles something that Harry can’t make out, and his irritation spikes again. "You know what," Harry starts, then just leans over and pushes two fingers under Malfoy’s arm and into his mouth. He doesn’t care to avoid the cut on his lip but it doesn’t matter, Malfoy’s tongue wraps around Harry’s fingertips and sucks like it’s a cock. Harry presses his other hand to Malfoy’s uninjured hip, bringing his face close to Malfoy’s ear. "Just need something in your mouth, hm? That’s all it takes?"