Puuhh
Puuhh is a term used colloquially to represent a sigh or an exhalation of breath, often signifying a release of emotion such as frustration, exhaustion, or relief. It is an onomatopoeic representation of the sound a person makes when sighing. The sound is typically a longer, more drawn-out exhalation than a simple breath.
The usage of "puuhh" is informal and most commonly found in written communication, particularly in online contexts
While not a formal word in any dictionary, its meaning is widely understood within contemporary digital communication.