1.a fricative sound (especially as an expression of disapproval);
the performers could not be heard over the hissing of the audience
2.a cry or noise made to express displeasure or contempt
1.make a sharp hissing sound, as if to show disapproval
2.move with a whooshing sound
3.express or utter with a hiss
4.show displeasure, as after a performance or speech