1a mixture used to stuff poultry or meat before cooking:sage and onion stuffing [count noun]:packet stuffings are quick to use
2padding used to stuff cushions, furniture, or soft toys:the stuffing is coming out of the armchair
3 [count noun] informal a heavy defeat in sport.
knock (or take) the stuffing out of
informal severely impair the confidence or strength of (someone):rebuffs and power struggles knocked the stuffing out of himillness had knocked the stuffing out of me