parp

Etymology
Imitative.

Interjection

 * 1)  Representing the sound of a car horn, a trumpet, or breaking wind.

Noun

 * 1)  The sound of a horn or breaking wind.

Verb

 * 1)  To sound a horn.
 * 2)  To make the sound of a horn.
 * 3)  To break wind.
 * 4)  To talk nonsense.