Definition of "Hiss" :
noun: a cry or noise made to express displeasure or contempt
noun: a fricative sound (especially as an expression of disapproval)
"The performers could not be heard over the hissing of the audience."
verb: show displeasure, as after a performance or speech
verb: make a sharp hissing sound, as if to show disapproval
verb: express or utter with a hiss
verb: move with a whooshing sound