Bombast

1. Fig.: High-sounding words; an inflated style; language above the dignity of the occasion; fustian.
2. Cotton, or any soft, fibrous material, used as stuffing for garments; stuffing; padding.
3. Originally, cotton, or cotton wool.
4. To swell or fill out; to pad; to inflate.
5. High-sounding; inflated; big without meaning; magniloquent; bombastic.