boohiss Jeer toward a play's villain Unhappy spectator's cry Compound cry of dissatisfaction Compound cry of displeasure [I disapprove] ["You need new glasses, ump!"] ["That stinks!"] ["Get off the stage!"] Displeased spectator's cry Accompanier of a thrown tomato "That's terrible!" Expression of disapproval "Get off the stage!" Words of disapproval Opposite of "Yay!"