Definitions:

1. A modulated filter effect that alters the tone and frequencies of an instrument to produce a voice-like "wah" sound, commonly created using a wha-wha pedal on electric guitars. NOUN
   • The guitarist used a wah-wah pedal during the solo to add a funky, vocal-like effect.
2. A mute used with trumpets and trombones to create a "wah-wah" effect by manually opening and closing the bell. NOUN
   • Jazz musicians often use a wah-wah mute for expressive, talking-trumpet sounds.
3. Refers to a musical sound effect that mimics a vocal "wah" sound, often used to create expressive or muted tones, especially in guitar playing, bass instruments, or synths. NOUN
   • He plugged his trumpet into a wah-wah pedal.
4. Sometimes used to describe muffled or indistinct speech, especially in humorous or cartoonish context. NOUN
   • In the cartoon, the teacher's voice was just a dull wah-wah in the background.

Synonyms:

• talking guitar
• wah effect