The way to spell the sound "wah wah" is not straightforward. The first "wah" can be spelled as /wɑː/ or /wɒ/, depending on the accent. The second "wah" is usually spelled the same as the first one. However, the word itself is often spelled as "wah-wah" with a hyphen. This spelling captures the separation between the two syllables more accurately than writing it as a single word. Despite the spelling variation, "wah wah" is universally recognized as the sound of a muted or wah-wah pedaled guitar.
Wah wah is an expressive term that has multiple meanings and uses in different contexts. It is predominantly associated with music, particularly the electric guitar, where it refers to a sound effect created by a wah-wah pedal. The wah-wah pedal is an electronic device that alters the tone and frequency of the guitar, providing a distinctive wailing or crying sound. The characteristic effect is produced by the player rocking their foot on a pedal, causing the guitar's tone to rapidly fluctuate between a low and high frequency.
However, the term "wah wah" has also extended its usage beyond the guitar effect. It is often employed to mimic or imitate the sound of someone crying or whining in a comical or sarcastic manner. In this sense, it suggests a melodramatic or exaggerated response to a situation, often used to mock someone for being overly emotional or complaining unnecessarily.
Additionally, "wah wah" can function as a colloquialism to describe a general feeling of disappointment, dissatisfaction, or a lackluster result. It can be used to convey a sense of underwhelmment or annoyance when something does not meet expectations.
In summary, "wah wah" encompasses a range of meanings from a musical effect with a distinct wailing sound produced by a wah-wah pedal, to a sarcastic imitation of crying or complaining, and even as an expression of disappointment.