wah-wah(redirected from wa-was)
wah-wahalso wa-wa (wä′wä′)
1. A wavering sound resembling the vowels of human speech, produced by alternately covering and uncovering the bell of a trumpet or trombone with a mute.
2. A similar sound produced by means of an electronic attachment, as on an electric guitar, operated by a foot pedal.
1. (Instruments) the sound made by a trumpet, cornet, etc, when the bell is alternately covered and uncovered: much used in jazz
2. (Instruments) an electronic attachment for an electric guitar, etc, that simulates this effect
[C20: of imitative origin]