1) Commented owlishly 2) Drove a performer off stage 3) Imitated a bird 4) Jeered 5) Laughed derisively 6) Laughed scornfully 7) Mimicked an owl 8) Partner of hollered 9) Showed contempt 10) Sounded like an owl 11) Uttered a raucous cry Found on https://www.crosswordclues.com/clue/hooted