...definition of Madagascar hissing cockroach by The Free...
2.An expression of disapproval, contempt, or dissatisfaction conveyed by use of this sound. v.hissed,hiss·ing,hiss·es v.intr. To make a hiss:The audience booed and hissed. The teakettle hissed on the stove. v.tr. 1.To utter with a hiss. ...