It's an onomatopoeia, representing the sound of something escaping from a container with a sudden rush of air. It's often used to represent the sound of a champagne cork popping, or even the sound of someone letting out a sudden burst of laughter.
It's an onomatopoeia, representing the sound of something escaping from a container with a sudden rush of air. It's often used to represent the sound of a champagne cork popping, or even the sound of someone letting out a sudden burst of laughter.