Definitions

1. verb

to hiss, as a snake does, or to make a hissing sound

“The snake hissed when we approached it.”

2. verb (dialect)

to leave, depart

“I’m going to hish early today.”

3. noun

a hissing sound

“The hish from the snake startled the children.”

4. interjection

an expression of contempt or scorn

“Hish! What a terrible movie that was.”