hissing

Those voters are the equivalent of Robin Williams imitating a six-year-old sticking their tongue out and hissing, “I know you are but what am I?”

The Madagascar hissing cockroach robot doesn't just perfectly mimic the attributes that allow cockroaches to withstand radiation and poisonous air: it is a real life animal, and it is also a mechanical creature controlled remotely.

The Texas bill purports to ban such "non-human behaviors" as "using a litter box," "barking, meowing, hissing" and "licking oneself."

He said a cockpit recording device picked up a hissing sound, followed by a popping sound and then the crew announced the fire - all in the space of a few seconds.

Every few minutes, the chatter would be momentarily quietened by a voice hissing over the loudspeaker: "Silenzio."