To Hiss

1. (intransitive) To make a hissing sound.
2. (transitive, intransitive) To condemn or express contempt (for someone or something) by hissing.
3. (transitive) To utter (something) with a hissing sound.
4. (intransitive) To move with a hissing sound.
5. (transitive) To emit or eject (something) with a hissing sound.
6. (transitive) To whisper, especially angrily or urgently.