A shout or whistle expressing dislike, especially from a crowd or audience; a jeer, a boo.
A whistle blown by a theatre-goer to express disapproval.
A shout, whistle, or comment of a sexual nature, usually made toward a passing woman.
In the Eiffel programming language, a run-time error caused by use of the wrong data type.
To make such an exclamation.
An expression of disapproval made using such a sound.
A sibilant sound, such as that made by a snake or escaping steam; an unvoiced fricative.
To call someone by hissing.
To condemn or express contempt (for someone or something) by hissing.
To utter (something) with a hissing sound.
To make a hissing sound.
To whisper, especially angrily or urgently.
To emit or eject (something) with a hissing sound.
To move with a hissing sound.