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