hiss at someone or something
1. [for a reptile] to make a hissing sound as a warning. The snake hissed at me. Otherwise I wouldn't have known it was there. The lizard hissed at the snake.
2. [for someone] to make a hissing sound at someone to show disapproval. The audience hissed at the performer, who was not all that bad. They hissed at all three acts.
hiss someone off (of the stage)
Fig. [for the audience] to hiss and drive a performer off the stage. The boys in the front row tried to hiss her off the stage. The audience, angry with the quality of the singers, tried to hiss them all off.
hiss something out
Fig. to say something with a hissing voice, usually in anger or disgust. The disgusted manager hissed his appraisal out. He hissed out his criticism.