It is plain to be seen that the fluffy ruche at the throat-band, and the ruffle at the shoulder, and the spreading bow at the waist, and the trimmed sleeves, add bulkiness to a form already too generously endowed with flabby rotundity.

I think I have heard the vulgar Irish use it to express bulkiness.

He was fastidious about his clothes, and his tailor cleverly hid the bulkiness of his figure.