Ploppy

She made angry ploppy sounds in the glasses because her hand was shaking with temper.

Source: wiktionary

Fine with me, she said, sliding off the stool with a little ploppy sound in her shoes.

Source: wiktionary

She snapped her fingers, but they were too plump to made anything but a ploppy noise.

Source: wiktionary

Sweaty too, you'll see her waiting sweaty, sweaty and plopped onto a sweaty ploppy sofa, a sweaty ploppy sofa that changes into a bed that changes into a sofa, an elegant member of a transvestite domestic cast that can do everything.

Source: wiktionary