wah-wah: Meaning and Definition of

wah-wah

1. producing a muted, bawling sound like that of a trumpet with the hand moved momentarily over the bell: a wah-wah effect on a synthesizer; a guitar with a wah-wah pedal.

1. a sound or effect like the muted sound of a trumpet, esp. in music.
2. an electronic device or attachment to produce such a sound, often used with an electric guitar.